煙霾季：全世界逐月一覽

焚燒農田或森林；問題出在空氣，不是天氣。

這是一個警示頁面，不是推薦名單。SeasonMap 上有 115 個目的地會遇上煙霾季；下方列出的月份是風險窗口開啟的月份——其中大多數週次都平安無事，每個地點旁邊的分數也仍是一般的氣候分數，已把風險考慮在內。

← 所有季節世界行事曆

什麼時候登場

該月份有煙霾季的目的地數量。時段每年都會略有移動。

1月的煙霾季

  1. 荷巴特 🇦🇺 澳大利亞Bushfire season · 12月1日–3月15日（通常）A dry spell in the highlands can put smoke over the Derwent for days and close the walking tracks around the city.96
  2. 瓦爾帕萊索 🇨🇱 智利Fire season in the hills · 12月15日–4月15日（通常）The ravines behind the port dry out over summer and fires have run through the upper hills more than once, the worst of them destroying whole cerros.94
  3. 玛格丽特河 🇦🇺 澳大利亞Bushfire and burn-off season · 11月15日–4月15日（通常）Summer brings total fire bans and closed forest tracks, and the autumn prescribed burns put smoke through the valleys on still days.93
  4. 袋鼠島 🇦🇺 澳大利亞Fire danger season closures · 11月15日–4月15日（通常）National parks here close on catastrophic fire danger days, which lands squarely in the summer holidays.93
  5. 墨爾本 🇦🇺 澳大利亞Bushfire season · 12月1日–3月15日（通常）The risk in the country around the city peaks after midsummer, and a bad day closes the roads and fills the basin with smoke.86
  6. 開普敦 🇿🇦 南非Mountain fire season · 11月1日–5月15日（通常）The fynbos burns most summers, and a bad day closes hiking paths, the cableway and sometimes a suburb's roads.86
  7. 悉尼 🇦🇺 澳大利亞Bushfire smoke risk · 11月1日–2月28日（通常）Fires inland or on the coast can put smoke over the city for days in a bad summer; the fire service publishes a danger rating for the Sydney region daily.82
  8. 伯斯 🇦🇺 澳大利亞Bushfire season · 11月15日–4月15日（通常）Fires in the hills east of the city put smoke over the suburbs on still days and close the walking trails on the worst ones.82
  9. 圣卡洛斯-德巴里洛切 🇦🇷 阿根廷Patagonian fire season · 12月1日–3月31日（通常）Nahuel Huapi runs a fire risk level through the dry summer and closes trails, campsites and whole valleys when it peaks.80
  10. 德里 🇮🇳 印度Severe air season · 10月1日–1月31日（通常）Emergency pollution restrictions run from 1 October: construction bans, diesel-vehicle limits and schools moved online when it escalates.80
  11. Katoomba 🇦🇺 澳大利亞Bushfire season · 10月1日–3月1日（通常）The whole town sits inside the national park, so a bad fire week means smoke, closed tracks and, on the worst days, a closed highway.80
  12. 阿瑜陀耶 🇹🇭 泰國Central plains burning haze · 1月20日–4月15日（通常）Cane and stubble fires around the central provinces put a flat grey ceiling over the island for weeks.78
  13. 加德滿都 🇳🇵 尼泊爾Valley smog season · 11月15日–2月28日（通常）Cold air sits in the bowl of the valley and holds in kiln smoke, vehicle exhaust and field burning from the plains.76
  14. 曼谷 🇹🇭 泰國Upcountry burning haze · 1月25日–4月15日（通常）Agricultural fires north and west of the city put a lid of smoke over Bangkok through the late dry season.73
  15. 鹽湖城 🇺🇸 美國Winter inversion · 12月15日–2月20日（通常）Cold air settles in the valley under a lid of warm air and the exhaust has nowhere to go, sometimes for a fortnight.51
  16. 阿拉木圖 🇰🇿 哈薩克Winter smog · 11月15日–3月1日（通常）Coal heating and a valley inversion pin the smoke over the city for weeks at a time once the cold sets in.39
  17. 烏蘭巴托 🇲🇳 蒙古國Winter smog · 11月1日–3月31日Raw coal burned in the ger districts for heating, held down over the valley by an inversion, makes this one of the worst urban airs anywhere between November and March.32

1月全世界有什麼活動 →

2月的煙霾季

  1. 荷巴特 🇦🇺 澳大利亞Bushfire season · 12月1日–3月15日（通常）A dry spell in the highlands can put smoke over the Derwent for days and close the walking tracks around the city.95
  2. 袋鼠島 🇦🇺 澳大利亞Fire danger season closures · 11月15日–4月15日（通常）National parks here close on catastrophic fire danger days, which lands squarely in the summer holidays.95
  3. 玛格丽特河 🇦🇺 澳大利亞Bushfire and burn-off season · 11月15日–4月15日（通常）Summer brings total fire bans and closed forest tracks, and the autumn prescribed burns put smoke through the valleys on still days.94
  4. 瓦爾帕萊索 🇨🇱 智利Fire season in the hills · 12月15日–4月15日（通常）The ravines behind the port dry out over summer and fires have run through the upper hills more than once, the worst of them destroying whole cerros.93
  5. 墨爾本 🇦🇺 澳大利亞Bushfire season · 12月1日–3月15日（通常）The risk in the country around the city peaks after midsummer, and a bad day closes the roads and fills the basin with smoke.92
  6. 格劳 🇲🇲 緬甸Burning season haze · 2月15日–4月30日（通常）Hillsides around the town are burned off before the rains and the smoke sits in the valleys below the ridge.90
  7. 開普敦 🇿🇦 南非Mountain fire season · 11月1日–5月15日（通常）The fynbos burns most summers, and a bad day closes hiking paths, the cableway and sometimes a suburb's roads.88
  8. 茵萊湖 🇲🇲 緬甸Burning season haze · 2月15日–4月30日（通常）The Shan uplands are burned off before the rains and the smoke settles into the basin the lake sits in.86
  9. 加德滿都 🇳🇵 尼泊爾Valley smog season · 11月15日–2月28日（通常）Cold air sits in the bowl of the valley and holds in kiln smoke, vehicle exhaust and field burning from the plains.85
  10. 清萊 🇹🇭 泰國Burning season · 2月1日–4月20日（通常）Field and forest fires in the valleys and across the border put Chiang Rai near the top of the world's air-quality charts most Marches.84
  11. 昔卜 🇲🇲 緬甸Burning season haze · 2月15日–4月30日（通常）Fields and hillsides across the Shan uplands are burned off before the rains and the smoke sits in the valleys for weeks.84
  12. 清邁 🇹🇭 泰國Burning season · 2月1日–4月20日（通常）Field and forest fires fill the valley with smoke that the surrounding hills hold in place, and the city regularly tops the world's live pollution rankings in March.82
  13. 伯斯 🇦🇺 澳大利亞Bushfire season · 11月15日–4月15日（通常）Fires in the hills east of the city put smoke over the suburbs on still days and close the walking trails on the worst ones.82
  14. Katoomba 🇦🇺 澳大利亞Bushfire season · 10月1日–3月1日（通常）The whole town sits inside the national park, so a bad fire week means smoke, closed tracks and, on the worst days, a closed highway.82
  15. 圣卡洛斯-德巴里洛切 🇦🇷 阿根廷Patagonian fire season · 12月1日–3月31日（通常）Nahuel Huapi runs a fire risk level through the dry summer and closes trails, campsites and whole valleys when it peaks.81
  16. Pai 🇹🇭 泰國Burning season · 2月1日–4月20日（通常）Mae Hong Son province takes the worst of the northern smoke and the valley traps it.81
  17. 永珍 🇱🇦 寮國Burning season haze · 2月15日–4月30日（通常）Field and forest fires across northern Laos fill the valley with smoke and the far bank of the Mekong disappears for weeks.81
  18. 巴色 🇱🇦 寮國Burning season haze · 2月15日–4月30日（通常）Field clearing across southern Laos and over the Thai border fills the Mekong valley with smoke for weeks, and the view from the plateau edge disappears with it.81
  19. 悉尼 🇦🇺 澳大利亞Bushfire smoke risk · 11月1日–2月28日（通常）Fires inland or on the coast can put smoke over the city for days in a bad summer; the fire service publishes a danger rating for the Sydney region daily.80
  20. 萬榮 🇱🇦 寮國Burning season haze · 2月15日–4月25日（通常）The karst towers are the reason to stop here and for these weeks they are outlines in smoke from the fields burning up and down the valley.79
  21. 塞班岛 🇲🇵 北馬里亞納群島Dry-season brush fires · 2月1日–5月31日（通常）The grass hillsides above Kagman and out towards Marpi burn most dry seasons, largely from deliberate fires, and the smoke hangs under the trade wind on still mornings.76
  22. 阿瑜陀耶 🇹🇭 泰國Central plains burning haze · 1月20日–4月15日（通常）Cane and stubble fires around the central provinces put a flat grey ceiling over the island for weeks.72
  23. 曼谷 🇹🇭 泰國Upcountry burning haze · 1月25日–4月15日（通常）Agricultural fires north and west of the city put a lid of smoke over Bangkok through the late dry season.69
  24. 干乍那武里 🇹🇭 泰國Burning season haze · 2月1日–4月15日（通常）Field and forest fires along the western hills and over the Myanmar border grey out the valley for weeks.69
  25. 鹽湖城 🇺🇸 美國Winter inversion · 12月15日–2月20日（通常）Cold air settles in the valley under a lid of warm air and the exhaust has nowhere to go, sometimes for a fortnight.61

……2月還有 2 個。

2月全世界有什麼活動 →

3月的煙霾季

  1. 袋鼠島 🇦🇺 澳大利亞Fire danger season closures · 11月15日–4月15日（通常）National parks here close on catastrophic fire danger days, which lands squarely in the summer holidays.97
  2. 墨爾本 🇦🇺 澳大利亞Bushfire season · 12月1日–3月15日（通常）The risk in the country around the city peaks after midsummer, and a bad day closes the roads and fills the basin with smoke.93
  3. 瓦爾帕萊索 🇨🇱 智利Fire season in the hills · 12月15日–4月15日（通常）The ravines behind the port dry out over summer and fires have run through the upper hills more than once, the worst of them destroying whole cerros.92
  4. 玛格丽特河 🇦🇺 澳大利亞Bushfire and burn-off season · 11月15日–4月15日（通常）Summer brings total fire bans and closed forest tracks, and the autumn prescribed burns put smoke through the valleys on still days.92
  5. 墨西哥城 🇲🇽 墨西哥Ozone alert season · 3月1日–5月31日Still, sunny, rainless weeks in the basin cook the traffic exhaust into ozone, and the city declares contingencies that pull cars off the road.90
  6. 開普敦 🇿🇦 南非Mountain fire season · 11月1日–5月15日（通常）The fynbos burns most summers, and a bad day closes hiking paths, the cableway and sometimes a suburb's roads.90
  7. 荷巴特 🇦🇺 澳大利亞Bushfire season · 12月1日–3月15日（通常）A dry spell in the highlands can put smoke over the Derwent for days and close the walking tracks around the city.90
  8. 伯斯 🇦🇺 澳大利亞Bushfire season · 11月15日–4月15日（通常）Fires in the hills east of the city put smoke over the suburbs on still days and close the walking trails on the worst ones.85
  9. 格劳 🇲🇲 緬甸Burning season haze · 2月15日–4月30日（通常）Hillsides around the town are burned off before the rains and the smoke sits in the valleys below the ridge.84
  10. 景洪市 🇨🇳 中華人民共和國Burning season haze · 3月1日–4月20日（通常）Field burning across the border in Myanmar and Laos drifts up the Mekong valley through the last dry weeks.81
  11. 茵萊湖 🇲🇲 緬甸Burning season haze · 2月15日–4月30日（通常）The Shan uplands are burned off before the rains and the smoke settles into the basin the lake sits in.80
  12. 昔卜 🇲🇲 緬甸Burning season haze · 2月15日–4月30日（通常）Fields and hillsides across the Shan uplands are burned off before the rains and the smoke sits in the valleys for weeks.76
  13. 圣卡洛斯-德巴里洛切 🇦🇷 阿根廷Patagonian fire season · 12月1日–3月31日（通常）Nahuel Huapi runs a fire risk level through the dry summer and closes trails, campsites and whole valleys when it peaks.74
  14. 塞班岛 🇲🇵 北馬里亞納群島Dry-season brush fires · 2月1日–5月31日（通常）The grass hillsides above Kagman and out towards Marpi burn most dry seasons, largely from deliberate fires, and the smoke hangs under the trade wind on still mornings.74
  15. 清萊 🇹🇭 泰國Burning season · 2月1日–4月20日（通常）Field and forest fires in the valleys and across the border put Chiang Rai near the top of the world's air-quality charts most Marches.74
  16. Pai 🇹🇭 泰國Burning season · 2月1日–4月20日（通常）Mae Hong Son province takes the worst of the northern smoke and the valley traps it.72
  17. 巴色 🇱🇦 寮國Burning season haze · 2月15日–4月30日（通常）Field clearing across southern Laos and over the Thai border fills the Mekong valley with smoke for weeks, and the view from the plateau edge disappears with it.72
  18. Katoomba 🇦🇺 澳大利亞Bushfire season · 10月1日–3月1日（通常）The whole town sits inside the national park, so a bad fire week means smoke, closed tracks and, on the worst days, a closed highway.72
  19. 江陵市 🇰🇷 大韓民國Spring wildfire weeks · 3月1日–4月30日（通常）The east-coast strip burns most springs, when a dry wind comes over the ridge and drives a fire down to the sea in hours.72
  20. 琅南塔 🇱🇦 寮國Burning season haze · 3月1日–4月25日（通常）Northern Laos burns its fields and hillsides before the rains and this valley holds the smoke.72
  21. Nong Khiaw 🇱🇦 寮國Burning season haze · 3月1日–4月25日（通常）The viewpoints above the river are the entire reason to stop here, and for these weeks they look out on a wall of smoke from the fields burning across northern Laos.72
  22. 束草市 🇰🇷 大韓民國Spring wildfire season · 3月1日–4月30日（通常）Dry air and the hot downslope wind off the Taebaek range make March and April Gangwon's fire season.71
  23. 琅勃拉邦 🇱🇦 寮國Burning season haze · 3月1日–4月30日（通常）Agricultural burning across northern Laos and the region fills the valley with smoke for weeks; the hills disappear and flights are occasionally diverted.70
  24. 永珍 🇱🇦 寮國Burning season haze · 2月15日–4月30日（通常）Field and forest fires across northern Laos fill the valley with smoke and the far bank of the Mekong disappears for weeks.70
  25. 萬榮 🇱🇦 寮國Burning season haze · 2月15日–4月25日（通常）The karst towers are the reason to stop here and for these weeks they are outlines in smoke from the fields burning up and down the valley.69

……3月還有 6 個。

3月全世界有什麼活動 →

4月的煙霾季

  1. 開普敦 🇿🇦 南非Mountain fire season · 11月1日–5月15日（通常）The fynbos burns most summers, and a bad day closes hiking paths, the cableway and sometimes a suburb's roads.93
  2. 伯斯 🇦🇺 澳大利亞Bushfire season · 11月15日–4月15日（通常）Fires in the hills east of the city put smoke over the suburbs on still days and close the walking trails on the worst ones.92
  3. 袋鼠島 🇦🇺 澳大利亞Fire danger season closures · 11月15日–4月15日（通常）National parks here close on catastrophic fire danger days, which lands squarely in the summer holidays.89
  4. 墨西哥城 🇲🇽 墨西哥Ozone alert season · 3月1日–5月31日Still, sunny, rainless weeks in the basin cook the traffic exhaust into ozone, and the city declares contingencies that pull cars off the road.88
  5. 瓦爾帕萊索 🇨🇱 智利Fire season in the hills · 12月15日–4月15日（通常）The ravines behind the port dry out over summer and fires have run through the upper hills more than once, the worst of them destroying whole cerros.88
  6. 玛格丽特河 🇦🇺 澳大利亞Bushfire and burn-off season · 11月15日–4月15日（通常）Summer brings total fire bans and closed forest tracks, and the autumn prescribed burns put smoke through the valleys on still days.85
  7. 江陵市 🇰🇷 大韓民國Spring wildfire weeks · 3月1日–4月30日（通常）The east-coast strip burns most springs, when a dry wind comes over the ridge and drives a fire down to the sea in hours.85
  8. 束草市 🇰🇷 大韓民國Spring wildfire season · 3月1日–4月30日（通常）Dry air and the hot downslope wind off the Taebaek range make March and April Gangwon's fire season.82
  9. 格劳 🇲🇲 緬甸Burning season haze · 2月15日–4月30日（通常）Hillsides around the town are burned off before the rains and the smoke sits in the valleys below the ridge.77
  10. 塞班岛 🇲🇵 北馬里亞納群島Dry-season brush fires · 2月1日–5月31日（通常）The grass hillsides above Kagman and out towards Marpi burn most dry seasons, largely from deliberate fires, and the smoke hangs under the trade wind on still mornings.72
  11. 茵萊湖 🇲🇲 緬甸Burning season haze · 2月15日–4月30日（通常）The Shan uplands are burned off before the rains and the smoke settles into the basin the lake sits in.72
  12. 赤塔 🇷🇺 俄羅斯Spring wildfire smoke · 4月1日–6月10日（通常）Dry, windy springs set off forest and grass fires across Zabaykalye almost every year; smoke can sit over the city and fire bans close forest areas.69
  13. 景洪市 🇨🇳 中華人民共和國Burning season haze · 3月1日–4月20日（通常）Field burning across the border in Myanmar and Laos drifts up the Mekong valley through the last dry weeks.68
  14. 昔卜 🇲🇲 緬甸Burning season haze · 2月15日–4月30日（通常）Fields and hillsides across the Shan uplands are burned off before the rains and the smoke sits in the valleys for weeks.66
  15. 巴色 🇱🇦 寮國Burning season haze · 2月15日–4月30日（通常）Field clearing across southern Laos and over the Thai border fills the Mekong valley with smoke for weeks, and the view from the plateau edge disappears with it.65
  16. Pai 🇹🇭 泰國Burning season · 2月1日–4月20日（通常）Mae Hong Son province takes the worst of the northern smoke and the valley traps it.61
  17. Nong Khiaw 🇱🇦 寮國Burning season haze · 3月1日–4月25日（通常）The viewpoints above the river are the entire reason to stop here, and for these weeks they look out on a wall of smoke from the fields burning across northern Laos.61
  18. 萬榮 🇱🇦 寮國Burning season haze · 2月15日–4月25日（通常）The karst towers are the reason to stop here and for these weeks they are outlines in smoke from the fields burning up and down the valley.60
  19. 琅南塔 🇱🇦 寮國Burning season haze · 3月1日–4月25日（通常）Northern Laos burns its fields and hillsides before the rains and this valley holds the smoke.60
  20. 清萊 🇹🇭 泰國Burning season · 2月1日–4月20日（通常）Field and forest fires in the valleys and across the border put Chiang Rai near the top of the world's air-quality charts most Marches.59
  21. 琅勃拉邦 🇱🇦 寮國Burning season haze · 3月1日–4月30日（通常）Agricultural burning across northern Laos and the region fills the valley with smoke for weeks; the hills disappear and flights are occasionally diverted.56
  22. 永珍 🇱🇦 寮國Burning season haze · 2月15日–4月30日（通常）Field and forest fires across northern Laos fill the valley with smoke and the far bank of the Mekong disappears for weeks.56
  23. 清邁 🇹🇭 泰國Burning season · 2月1日–4月20日（通常）Field and forest fires fill the valley with smoke that the surrounding hills hold in place, and the city regularly tops the world's live pollution rankings in March.54
  24. 曼谷 🇹🇭 泰國Upcountry burning haze · 1月25日–4月15日（通常）Agricultural fires north and west of the city put a lid of smoke over Bangkok through the late dry season.51
  25. 阿瑜陀耶 🇹🇭 泰國Central plains burning haze · 1月20日–4月15日（通常）Cane and stubble fires around the central provinces put a flat grey ceiling over the island for weeks.48

……4月還有 1 個。

4月全世界有什麼活動 →

5月的煙霾季

  1. 克尼斯納 🇿🇦 南非Berg wind fire risk · 5月1日–11月30日（通常）Hot, dry berg winds off the interior are what turn a plantation fire into the kind that burned through the town in June 2017.90
  2. 弗拉格斯塔夫 🇺🇸 美國Fire restrictions and smoke · 5月1日–7月10日（通常）The dry weeks before the rains arrive are when the Coconino forest goes to stage restrictions and sometimes shuts entirely — no campfires, and in a bad year no access.86
  3. 開普敦 🇿🇦 南非Mountain fire season · 11月1日–5月15日（通常）The fynbos burns most summers, and a bad day closes hiking paths, the cableway and sometimes a suburb's roads.85
  4. 墨西哥城 🇲🇽 墨西哥Ozone alert season · 3月1日–5月31日Still, sunny, rainless weeks in the basin cook the traffic exhaust into ozone, and the city declares contingencies that pull cars off the road.84
  5. 赤塔 🇷🇺 俄羅斯Spring wildfire smoke · 4月1日–6月10日（通常）Dry, windy springs set off forest and grass fires across Zabaykalye almost every year; smoke can sit over the city and fire bans close forest areas.81
  6. 聖地牙哥 🇨🇱 智利Winter smog episodes · 5月1日–8月31日（通常）The valley traps the city's air under an inversion and the authorities declare alert, pre-emergency or emergency days, restricting wood burning and traffic.77
  7. 塞班岛 🇲🇵 北馬里亞納群島Dry-season brush fires · 2月1日–5月31日（通常）The grass hillsides above Kagman and out towards Marpi burn most dry seasons, largely from deliberate fires, and the smoke hangs under the trade wind on still mornings.68

5月全世界有什麼活動 →

6月的煙霾季

  1. 赤塔 🇷🇺 俄羅斯Spring wildfire smoke · 4月1日–6月10日（通常）Dry, windy springs set off forest and grass fires across Zabaykalye almost every year; smoke can sit over the city and fire bans close forest areas.93
  2. 拉古什 🇵🇹 葡萄牙Wildfire season inland · 6月15日–9月30日（通常）Monchique burns badly every few summers and the smoke reaches the coast on a north wind.93
  3. 馬爾韋利亞 🇪🇸 西班牙Fire season in the sierra · 6月1日–10月15日Andalusia's declared high-risk fire period.92
  4. 法魯 🇵🇹 葡萄牙Wildfire season inland · 6月15日–9月30日（通常）The serra behind the coast burns most summers and the smoke drifts down to the lagoon on the wrong wind.91
  5. 弗拉格斯塔夫 🇺🇸 美國Fire restrictions and smoke · 5月1日–7月10日（通常）The dry weeks before the rains arrive are when the Coconino forest goes to stage restrictions and sometimes shuts entirely — no campfires, and in a bad year no access.91
  6. 埃武拉 🇵🇹 葡萄牙Wildfire season · 6月15日–9月30日（通常）The cork and eucalyptus country around the city carries fire risk all summer, and a bad week puts haze over the plain and closes rural roads at short notice.91
  7. 費爾班克斯 🇺🇸 美國Interior wildfire smoke · 6月10日–8月20日（通常）Lightning fires in the boreal interior are left to burn where nothing is threatened, and the smoke settles into the Tanana valley for days.91
  8. 安克拉治 🇺🇸 美國Interior wildfire smoke · 6月1日–8月15日（通常）In a dry summer the smoke from interior and Susitna valley fires settles over the bowl for days and the mountains vanish.90
  9. 阿雅克肖 🇫🇷 法國Fire risk and closed massifs · 6月15日–9月30日（通常）The prefecture bans fires and outdoor work across Corse-du-Sud into the end of September, and on severe-risk days it shuts whole forest massifs to walkers and cars at a day's notice.89
  10. 馬拉加 🇪🇸 西班牙Wildfire season · 6月15日–10月15日（通常）The Sierra de las Nieves and the hills behind the Costa burn in most bad summers, and a fire inland puts smoke over the coast and closes the mountain roads for a day or two.88
  11. 阿爾布費拉 🇵🇹 葡萄牙Wildfire season inland · 6月15日–9月30日（通常）The coast itself rarely burns, but the Monchique and Caldeirao hills behind it do, and a bad week puts smoke over the beaches and closes the back roads.88
  12. 博尼法喬 🇫🇷 法國Fire risk and closed massifs · 6月15日–9月30日（通常）The prefecture bans fires and outdoor work across Corse-du-Sud into the end of September, and on severe-risk days closes forest massifs inland, Bavella included, to walkers and cars.88
  13. 哈爾基季基半島 🇬🇷 希臘Wildfire season · 6月15日–9月30日The pine forest that runs down to the beaches is what makes this coast and what burns on it.88
  14. 尼斯 🇫🇷 法國Forest access closures · 6月15日–9月30日（通常）The department grades fire risk daily through the summer and closes the massifs behind the city — the Esterel, the approaches to the Mercantour — to walkers on the worst days, decided the evening before.87
  15. 丹佛 🇺🇸 美國Wildfire smoke and ozone · 6月15日–9月15日（通常）Smoke from Colorado and out-of-state fires pools against the Front Range in high summer and combines with the city's ozone problem.87
  16. 卡利亞里 🇮🇹 義大利Sardinian fire season · 6月1日–10月15日The regional fire campaign runs through summer and the hills either side of the city carry the risk.86
  17. 阿爾蓋羅 🇮🇹 義大利Sardinian fire season · 6月1日–10月15日The regional fire campaign runs all summer and the worst days are the ones when the maestrale is up.86
  18. 克尼斯納 🇿🇦 南非Berg wind fire risk · 5月1日–11月30日（通常）Hot, dry berg winds off the interior are what turn a plantation fire into the kind that burned through the town in June 2017.86
  19. 羅得島 🇬🇷 希臘Wildfire season · 6月15日–9月30日（通常）The island's interior burns in the worst summers and the 2023 fires emptied the southeast coast for a week.83
  20. 安塔利亞 🇹🇷 土耳其Wildfire season · 6月15日–9月30日（通常）The pine and maquis behind the resort strip burns most summers, and 2021 took the Manavgat hills.82
  21. 伊茲密爾 🇹🇷 土耳其Wildfire season · 6月15日–9月30日（通常）Izmir province burns nearly every summer, usually in the pine hills between the city and the peninsula.81
  22. 凱法利尼亞島 🇬🇷 希臘Wildfire season · 6月15日–9月30日The fir forest on Mount Ainos and the scrub above the coast road carry real risk in a dry summer, and the national park closes to visitors on high-risk days.81
  23. 阿拉尼亞 🇹🇷 土耳其Wildfire season · 6月15日–9月30日（通常）The pine slopes behind the town burn in most bad summers, and Manavgat an hour west lost villages in 2021.80
  24. 梅薩維德國家公園 🇺🇸 美國Wildfire season · 6月1日–7月15日（通常）The dry weeks before the monsoon are when the mesa burns; fires have closed the whole park more than once.78
  25. 聖地牙哥 🇨🇱 智利Winter smog episodes · 5月1日–8月31日（通常）The valley traps the city's air under an inversion and the authorities declare alert, pre-emergency or emergency days, restricting wood burning and traffic.66

……6月還有 3 個。

6月全世界有什麼活動 →

7月的煙霾季

  1. 溫哥華 🇨🇦 加拿大Wildfire smoke risk · 7月15日–9月15日（通常）Smoke from fires in the interior can settle over the city for days at a time in a bad year, turning the best-weather month into the worst air of the year.97
  2. 巴西利亞 🇧🇷 巴西Dry season and burn-offs · 7月1日–9月30日（通常）By August the met service is issuing low-humidity warnings most days and grass fires round the Distrito Federal put a haze over the plateau.95
  3. 大蘇爾 🇺🇸 美國Fire season · 7月15日–11月1日（通常）The Ventana wilderness burns regularly and a bad fire closes the highway, the state parks and the campgrounds at once.94
  4. 費爾班克斯 🇺🇸 美國Interior wildfire smoke · 6月10日–8月20日（通常）Lightning fires in the boreal interior are left to burn where nothing is threatened, and the smoke settles into the Tanana valley for days.94
  5. 安克拉治 🇺🇸 美國Interior wildfire smoke · 6月1日–8月15日（通常）In a dry summer the smoke from interior and Susitna valley fires settles over the bowl for days and the mountains vanish.93
  6. 黃刀鎮 🇨🇦 加拿大Wildfire smoke · 7月1日–8月31日（通常）Boreal fire season can fill the city with smoke for weeks and has emptied it altogether — the whole population was evacuated in 2023.93
  7. 拉古什 🇵🇹 葡萄牙Wildfire season inland · 6月15日–9月30日（通常）Monchique burns badly every few summers and the smoke reaches the coast on a north wind.88
  8. 聖克魯斯-德拉謝拉 🇧🇴 玻利維亞Burning season smoke · 7月15日–10月31日（通常）Land clearing fires across the lowlands send smoke over the city in the late dry season, worst in dry years.88
  9. 波爾蒂芒 🇵🇹 葡萄牙Serra de Monchique fire season · 7月1日–9月30日The eucalyptus hills behind the coast burn most summers and a bad one puts smoke over the whole bay and closes the road up to Monchique.87
  10. 法魯 🇵🇹 葡萄牙Wildfire season inland · 6月15日–9月30日（通常）The serra behind the coast burns most summers and the smoke drifts down to the lagoon on the wrong wind.86
  11. 馬爾韋利亞 🇪🇸 西班牙Fire season in the sierra · 6月1日–10月15日Andalusia's declared high-risk fire period.85
  12. 克尼斯納 🇿🇦 南非Berg wind fire risk · 5月1日–11月30日（通常）Hot, dry berg winds off the interior are what turn a plantation fire into the kind that burned through the town in June 2017.85
  13. 本德 🇺🇸 美國Wildfire smoke season · 7月1日–9月20日（通常）Central Oregon's unhealthy-air days have gone from a handful a decade to dozens, and late July through August is when the smoke settles in the basin.85
  14. 阿雅克肖 🇫🇷 法國Fire risk and closed massifs · 6月15日–9月30日（通常）The prefecture bans fires and outdoor work across Corse-du-Sud into the end of September, and on severe-risk days it shuts whole forest massifs to walkers and cars at a day's notice.84
  15. 埃武拉 🇵🇹 葡萄牙Wildfire season · 6月15日–9月30日（通常）The cork and eucalyptus country around the city carries fire risk all summer, and a bad week puts haze over the plain and closes rural roads at short notice.84
  16. 南太浩湖 🇺🇸 美國Wildfire smoke season · 7月15日–9月30日（通常）Smoke from California fires settles in the basin and stays because the mountains hold it, and a fire reached the edge of town in 2021.83
  17. 阿爾布費拉 🇵🇹 葡萄牙Wildfire season inland · 6月15日–9月30日（通常）The coast itself rarely burns, but the Monchique and Caldeirao hills behind it do, and a bad week puts smoke over the beaches and closes the back roads.83
  18. 弗拉格斯塔夫 🇺🇸 美國Fire restrictions and smoke · 5月1日–7月10日（通常）The dry weeks before the rains arrive are when the Coconino forest goes to stage restrictions and sometimes shuts entirely — no campfires, and in a bad year no access.83
  19. 基洛納 🇨🇦 加拿大Wildfire smoke season · 7月10日–9月15日（通常）The Okanagan is one of the driest, most fire-prone valleys in Canada, and smoke from interior fires — some of them on the hills above the city — can sit in it for a week at a time.83
  20. 尼斯 🇫🇷 法國Forest access closures · 6月15日–9月30日（通常）The department grades fire risk daily through the summer and closes the massifs behind the city — the Esterel, the approaches to the Mercantour — to walkers on the worst days, decided the evening before.82
  21. 優勝美地國家公園 🇺🇸 美國Wildfire smoke · 7月15日–9月30日（通常）Late-summer fires in and around the Sierra fill the valley with smoke that sits between the walls for days.82
  22. 威士拿 🇨🇦 加拿大Wildfire smoke · 7月20日–9月10日（通常）Smoke from interior British Columbia fires drifts into the valley for days at a time in late summer and flattens the view from the Peak 2 Peak.81
  23. 馬拉加 🇪🇸 西班牙Wildfire season · 6月15日–10月15日（通常）The Sierra de las Nieves and the hills behind the Costa burn in most bad summers, and a fire inland puts smoke over the coast and closes the mountain roads for a day or two.81
  24. 丹佛 🇺🇸 美國Wildfire smoke and ozone · 6月15日–9月15日（通常）Smoke from Colorado and out-of-state fires pools against the Front Range in high summer and combines with the city's ozone problem.81
  25. 博兹曼市 🇺🇸 美國Wildfire smoke · 7月15日–9月15日（通常）Late-summer smoke from fires across Montana, Idaho and Canada settles into the valley and can hold for a week.81

……7月還有 36 個。

7月全世界有什麼活動 →

8月的煙霾季

  1. 西雅圖 🇺🇸 美國Wildfire smoke · 8月1日–9月20日（通常）Late summer smoke from fires in eastern Washington, Oregon or British Columbia settles into the basin and can hold for days.95
  2. 溫哥華 🇨🇦 加拿大Wildfire smoke risk · 7月15日–9月15日（通常）Smoke from fires in the interior can settle over the city for days at a time in a bad year, turning the best-weather month into the worst air of the year.94
  3. 大蘇爾 🇺🇸 美國Fire season · 7月15日–11月1日（通常）The Ventana wilderness burns regularly and a bad fire closes the highway, the state parks and the campgrounds at once.92
  4. 巴西利亞 🇧🇷 巴西Dry season and burn-offs · 7月1日–9月30日（通常）By August the met service is issuing low-humidity warnings most days and grass fires round the Distrito Federal put a haze over the plateau.91
  5. 納帕 🇺🇸 美國Wildfire season · 8月1日–10月31日（通常）Late summer and autumn are when Northern California burns, and 2017 and 2020 both cost the valley part of a vintage.90
  6. 波特蘭 🇺🇸 美國Wildfire smoke · 8月1日–9月20日（通常）Smoke from Cascade and Gorge fires settles in the Willamette valley for days at a time in late summer, usually on the hottest and otherwise clearest weeks of the year.89
  7. 本德 🇺🇸 美國Wildfire smoke season · 7月1日–9月20日（通常）Central Oregon's unhealthy-air days have gone from a handful a decade to dozens, and late July through August is when the smoke settles in the basin.88
  8. 南太浩湖 🇺🇸 美國Wildfire smoke season · 7月15日–9月30日（通常）Smoke from California fires settles in the basin and stays because the mountains hold it, and a fire reached the edge of town in 2021.87
  9. 拉古什 🇵🇹 葡萄牙Wildfire season inland · 6月15日–9月30日（通常）Monchique burns badly every few summers and the smoke reaches the coast on a north wind.87
  10. 黃刀鎮 🇨🇦 加拿大Wildfire smoke · 7月1日–8月31日（通常）Boreal fire season can fill the city with smoke for weeks and has emptied it altogether — the whole population was evacuated in 2023.87
  11. 克尼斯納 🇿🇦 南非Berg wind fire risk · 5月1日–11月30日（通常）Hot, dry berg winds off the interior are what turn a plantation fire into the kind that burned through the town in June 2017.87
  12. 法魯 🇵🇹 葡萄牙Wildfire season inland · 6月15日–9月30日（通常）The serra behind the coast burns most summers and the smoke drifts down to the lagoon on the wrong wind.85
  13. 基洛納 🇨🇦 加拿大Wildfire smoke season · 7月10日–9月15日（通常）The Okanagan is one of the driest, most fire-prone valleys in Canada, and smoke from interior fires — some of them on the hills above the city — can sit in it for a week at a time.85
  14. 羅薩里奧 🇦🇷 阿根廷Smoke off the delta · 7月15日–10月31日（通常）Burning on the wetland islands opposite has put the city under smoke for days at a stretch in dry years, worst when the wind sits in the east.85
  15. 波爾蒂芒 🇵🇹 葡萄牙Serra de Monchique fire season · 7月1日–9月30日The eucalyptus hills behind the coast burn most summers and a bad one puts smoke over the whole bay and closes the road up to Monchique.85
  16. 丹佛 🇺🇸 美國Wildfire smoke and ozone · 6月15日–9月15日（通常）Smoke from Colorado and out-of-state fires pools against the Front Range in high summer and combines with the city's ozone problem.84
  17. 博兹曼市 🇺🇸 美國Wildfire smoke · 7月15日–9月15日（通常）Late-summer smoke from fires across Montana, Idaho and Canada settles into the valley and can hold for a week.83
  18. 安克拉治 🇺🇸 美國Interior wildfire smoke · 6月1日–8月15日（通常）In a dry summer the smoke from interior and Susitna valley fires settles over the bowl for days and the mountains vanish.83
  19. 阿雅克肖 🇫🇷 法國Fire risk and closed massifs · 6月15日–9月30日（通常）The prefecture bans fires and outdoor work across Corse-du-Sud into the end of September, and on severe-risk days it shuts whole forest massifs to walkers and cars at a day's notice.83
  20. 聖克魯斯-德拉謝拉 🇧🇴 玻利維亞Burning season smoke · 7月15日–10月31日（通常）Land clearing fires across the lowlands send smoke over the city in the late dry season, worst in dry years.83
  21. 埃武拉 🇵🇹 葡萄牙Wildfire season · 6月15日–9月30日（通常）The cork and eucalyptus country around the city carries fire risk all summer, and a bad week puts haze over the plain and closes rural roads at short notice.83
  22. 雷諾 🇺🇸 美國Wildfire smoke · 7月1日–9月30日（通常）Smoke from fires in the northern Sierra and inland California settles into the Truckee Meadows and can sit for a week, hiding the mountains from downtown.83
  23. 伦索伊斯 🇧🇷 巴西Wildfire season · 8月1日–11月30日（通常）Late in the dry season fires set to clear pasture regularly escape into the Chapada, and volunteer brigades from Lençóis spend weeks fighting them.83
  24. 拉森火山國家公園 🇺🇸 美國Wildfire smoke season · 8月1日–10月5日（通常）Northern California's fire season lands squarely on the best walking weeks, and the Dixie Fire burned most of this park in 2021.82
  25. 馬爾韋利亞 🇪🇸 西班牙Fire season in the sierra · 6月1日–10月15日Andalusia's declared high-risk fire period.82

……8月還有 48 個。

8月全世界有什麼活動 →

9月的煙霾季

  1. 波特蘭 🇺🇸 美國Wildfire smoke · 8月1日–9月20日（通常）Smoke from Cascade and Gorge fires settles in the Willamette valley for days at a time in late summer, usually on the hottest and otherwise clearest weeks of the year.94
  2. 波夕 🇺🇸 美國Wildfire smoke season · 7月1日–9月20日（通常）Smoke from fires in the Idaho backcountry and from Oregon and California settles into the valley for stretches of days at a time.94
  3. 基洛納 🇨🇦 加拿大Wildfire smoke season · 7月10日–9月15日（通常）The Okanagan is one of the driest, most fire-prone valleys in Canada, and smoke from interior fires — some of them on the hills above the city — can sit in it for a week at a time.94
  4. 聖塔芭芭拉 🇺🇸 美國Sundowner wind and fire season · 9月15日–12月15日（通常）Hot dry winds fall down the Santa Ynez range onto the town in the evenings of late autumn, which is when this coast's serious fires have started.93
  5. 鹽湖城 🇺🇸 美國Wildfire smoke season · 7月15日–9月20日（通常）The same valley that traps winter exhaust traps summer smoke drifting in from the Great Basin and California.92
  6. 本德 🇺🇸 美國Wildfire smoke season · 7月1日–9月20日（通常）Central Oregon's unhealthy-air days have gone from a handful a decade to dozens, and late July through August is when the smoke settles in the basin.92
  7. 大蘇爾 🇺🇸 美國Fire season · 7月15日–11月1日（通常）The Ventana wilderness burns regularly and a bad fire closes the highway, the state parks and the campgrounds at once.91
  8. 羅薩里奧 🇦🇷 阿根廷Smoke off the delta · 7月15日–10月31日（通常）Burning on the wetland islands opposite has put the city under smoke for days at a stretch in dry years, worst when the wind sits in the east.91
  9. 哈爾基季基半島 🇬🇷 希臘Wildfire season · 6月15日–9月30日The pine forest that runs down to the beaches is what makes this coast and what burns on it.91
  10. 雷諾 🇺🇸 美國Wildfire smoke · 7月1日–9月30日（通常）Smoke from fires in the northern Sierra and inland California settles into the Truckee Meadows and can sit for a week, hiding the mountains from downtown.91
  11. 丹佛 🇺🇸 美國Wildfire smoke and ozone · 6月15日–9月15日（通常）Smoke from Colorado and out-of-state fires pools against the Front Range in high summer and combines with the city's ozone problem.90
  12. 聖迭戈 🇺🇸 美國Santa Ana wind and fire season · 9月15日–12月15日（通常）Offshore winds off the desert bring the hottest days of the San Diego year in autumn and the county's worst fire risk with them.90
  13. 拉古什 🇵🇹 葡萄牙Wildfire season inland · 6月15日–9月30日（通常）Monchique burns badly every few summers and the smoke reaches the coast on a north wind.90
  14. 法魯 🇵🇹 葡萄牙Wildfire season inland · 6月15日–9月30日（通常）The serra behind the coast burns most summers and the smoke drifts down to the lagoon on the wrong wind.90
  15. 尼斯 🇫🇷 法國Forest access closures · 6月15日–9月30日（通常）The department grades fire risk daily through the summer and closes the massifs behind the city — the Esterel, the approaches to the Mercantour — to walkers on the worst days, decided the evening before.89
  16. 西雅圖 🇺🇸 美國Wildfire smoke · 8月1日–9月20日（通常）Late summer smoke from fires in eastern Washington, Oregon or British Columbia settles into the basin and can hold for days.89
  17. 波爾蒂芒 🇵🇹 葡萄牙Serra de Monchique fire season · 7月1日–9月30日The eucalyptus hills behind the coast burn most summers and a bad one puts smoke over the whole bay and closes the road up to Monchique.89
  18. 埃武拉 🇵🇹 葡萄牙Wildfire season · 6月15日–9月30日（通常）The cork and eucalyptus country around the city carries fire risk all summer, and a bad week puts haze over the plain and closes rural roads at short notice.89
  19. 納帕 🇺🇸 美國Wildfire season · 8月1日–10月31日（通常）Late summer and autumn are when Northern California burns, and 2017 and 2020 both cost the valley part of a vintage.88
  20. 馬爾韋利亞 🇪🇸 西班牙Fire season in the sierra · 6月1日–10月15日Andalusia's declared high-risk fire period.88
  21. 阿雅克肖 🇫🇷 法國Fire risk and closed massifs · 6月15日–9月30日（通常）The prefecture bans fires and outdoor work across Corse-du-Sud into the end of September, and on severe-risk days it shuts whole forest massifs to walkers and cars at a day's notice.88
  22. 克尼斯納 🇿🇦 南非Berg wind fire risk · 5月1日–11月30日（通常）Hot, dry berg winds off the interior are what turn a plantation fire into the kind that burned through the town in June 2017.88
  23. 博兹曼市 🇺🇸 美國Wildfire smoke · 7月15日–9月15日（通常）Late-summer smoke from fires across Montana, Idaho and Canada settles into the valley and can hold for a week.87
  24. 阿爾布費拉 🇵🇹 葡萄牙Wildfire season inland · 6月15日–9月30日（通常）The coast itself rarely burns, but the Monchique and Caldeirao hills behind it do, and a bad week puts smoke over the beaches and closes the back roads.87
  25. 沙加緬度 🇺🇸 美國Wildfire smoke season · 7月15日–10月15日（通常）Smoke from fires in the Sierra and the coast range settles into the valley and stays, because the same still air that traps winter fog traps this.87

……9月還有 47 個。

9月全世界有什麼活動 →

10月的煙霾季

  1. 聖塔芭芭拉 🇺🇸 美國Sundowner wind and fire season · 9月15日–12月15日（通常）Hot dry winds fall down the Santa Ynez range onto the town in the evenings of late autumn, which is when this coast's serious fires have started.96
  2. 聖迭戈 🇺🇸 美國Santa Ana wind and fire season · 9月15日–12月15日（通常）Offshore winds off the desert bring the hottest days of the San Diego year in autumn and the county's worst fire risk with them.94
  3. 卡利亞里 🇮🇹 義大利Sardinian fire season · 6月1日–10月15日The regional fire campaign runs through summer and the hills either side of the city carry the risk.92
  4. 克尼斯納 🇿🇦 南非Berg wind fire risk · 5月1日–11月30日（通常）Hot, dry berg winds off the interior are what turn a plantation fire into the kind that burned through the town in June 2017.92
  5. 羅薩里奧 🇦🇷 阿根廷Smoke off the delta · 7月15日–10月31日（通常）Burning on the wetland islands opposite has put the city under smoke for days at a stretch in dry years, worst when the wind sits in the east.91
  6. 大蘇爾 🇺🇸 美國Fire season · 7月15日–11月1日（通常）The Ventana wilderness burns regularly and a bad fire closes the highway, the state parks and the campgrounds at once.90
  7. 阿爾蓋羅 🇮🇹 義大利Sardinian fire season · 6月1日–10月15日The regional fire campaign runs all summer and the worst days are the ones when the maestrale is up.90
  8. 沙加緬度 🇺🇸 美國Wildfire smoke season · 7月15日–10月15日（通常）Smoke from fires in the Sierra and the coast range settles into the valley and stays, because the same still air that traps winter fog traps this.90
  9. 洛杉磯 🇺🇸 美國Santa Ana wind and fire season · 9月15日–12月15日（通常）Offshore winds arrive over vegetation that has had no rain since spring, and the fire risk peaks before the first storms.89
  10. 馬拉加 🇪🇸 西班牙Wildfire season · 6月15日–10月15日（通常）The Sierra de las Nieves and the hills behind the Costa burn in most bad summers, and a fire inland puts smoke over the coast and closes the mountain roads for a day or two.89
  11. 馬爾韋利亞 🇪🇸 西班牙Fire season in the sierra · 6月1日–10月15日Andalusia's declared high-risk fire period.87
  12. 納帕 🇺🇸 美國Wildfire season · 8月1日–10月31日（通常）Late summer and autumn are when Northern California burns, and 2017 and 2020 both cost the valley part of a vintage.86
  13. 開羅 🇪🇬 埃及The black cloud · 10月1日–11月30日（通常）Smoke from rice-straw burning in the Delta gets trapped over Cairo by autumn inversions and sits there for days.79
  14. Katoomba 🇦🇺 澳大利亞Bushfire season · 10月1日–3月1日（通常）The whole town sits inside the national park, so a bad fire week means smoke, closed tracks and, on the worst days, a closed highway.79
  15. 阿姆利則 🇮🇳 印度Stubble-burning smoke · 10月5日–11月25日（通常）Paddy stubble is burned off across the Majha districts in the fortnight between the rice harvest and the wheat sowing, and the smoke sits low over the city for weeks.75
  16. 伦索伊斯 🇧🇷 巴西Wildfire season · 8月1日–11月30日（通常）Late in the dry season fires set to clear pasture regularly escape into the Chapada, and volunteer brigades from Lençóis spend weeks fighting them.75
  17. 德里 🇮🇳 印度Severe air season · 10月1日–1月31日（通常）Emergency pollution restrictions run from 1 October: construction bans, diesel-vehicle limits and schools moved online when it escalates.69
  18. 聖克魯斯-德拉謝拉 🇧🇴 玻利維亞Burning season smoke · 7月15日–10月31日（通常）Land clearing fires across the lowlands send smoke over the city in the late dry season, worst in dry years.69
  19. 巨杉國家公園 🇺🇸 美國Wildfire smoke season · 7月15日–10月15日（通常）Late summer brings smoke from fires in the Sierra and up out of the Central Valley, and the groves themselves have burned within the last few years.65
  20. 國王峽谷國家公園 🇺🇸 美國Wildfire smoke season · 8月1日–10月5日（通常）Smoke from fires in the Sierra and up the Central Valley fills the canyon and can shut the park outright, as it has more than once.65
  21. 拉森火山國家公園 🇺🇸 美國Wildfire smoke season · 8月1日–10月5日（通常）Northern California's fire season lands squarely on the best walking weeks, and the Dixie Fire burned most of this park in 2021.63
  22. 瑪瑙斯 🇧🇷 巴西Burning-season smoke · 8月15日–11月15日（通常）The end of the dry season is when the forest and pasture around the city burn, and the smoke settles over Manaus.60
  23. 多巴湖 🇮🇩 印度尼西亞Sumatran haze · 7月15日–10月15日（通常）In a dry year, smoke from land clearing further south on the island drifts north and the caldera rim goes flat and grey.57
  24. 麻六甲 🇲🇾 馬來西亞Haze season · 8月1日–10月15日（通常）Smoke off Sumatra crosses the strait in the drier weeks and the view from the hill goes flat white.55
  25. 新加坡 🇸🇬 新加坡Regional haze risk · 6月1日–10月15日（通常）Fires on Sumatra and Borneo can push smoke over the island for days at a time in some years and not at all in others.52

……10月還有 8 個。

10月全世界有什麼活動 →

11月的煙霾季

  1. 開普敦 🇿🇦 南非Mountain fire season · 11月1日–5月15日（通常）The fynbos burns most summers, and a bad day closes hiking paths, the cableway and sometimes a suburb's roads.95
  2. 加德滿都 🇳🇵 尼泊爾Valley smog season · 11月15日–2月28日（通常）Cold air sits in the bowl of the valley and holds in kiln smoke, vehicle exhaust and field burning from the plains.92
  3. 伯斯 🇦🇺 澳大利亞Bushfire season · 11月15日–4月15日（通常）Fires in the hills east of the city put smoke over the suburbs on still days and close the walking trails on the worst ones.92
  4. 克尼斯納 🇿🇦 南非Berg wind fire risk · 5月1日–11月30日（通常）Hot, dry berg winds off the interior are what turn a plantation fire into the kind that burned through the town in June 2017.92
  5. 洛杉磯 🇺🇸 美國Santa Ana wind and fire season · 9月15日–12月15日（通常）Offshore winds arrive over vegetation that has had no rain since spring, and the fire risk peaks before the first storms.91
  6. 聖迭戈 🇺🇸 美國Santa Ana wind and fire season · 9月15日–12月15日（通常）Offshore winds off the desert bring the hottest days of the San Diego year in autumn and the county's worst fire risk with them.91
  7. 袋鼠島 🇦🇺 澳大利亞Fire danger season closures · 11月15日–4月15日（通常）National parks here close on catastrophic fire danger days, which lands squarely in the summer holidays.91
  8. 玛格丽特河 🇦🇺 澳大利亞Bushfire and burn-off season · 11月15日–4月15日（通常）Summer brings total fire bans and closed forest tracks, and the autumn prescribed burns put smoke through the valleys on still days.90
  9. 開羅 🇪🇬 埃及The black cloud · 10月1日–11月30日（通常）Smoke from rice-straw burning in the Delta gets trapped over Cairo by autumn inversions and sits there for days.88
  10. 悉尼 🇦🇺 澳大利亞Bushfire smoke risk · 11月1日–2月28日（通常）Fires inland or on the coast can put smoke over the city for days in a bad summer; the fire service publishes a danger rating for the Sydney region daily.87
  11. 阿姆利則 🇮🇳 印度Stubble-burning smoke · 10月5日–11月25日（通常）Paddy stubble is burned off across the Majha districts in the fortnight between the rice harvest and the wheat sowing, and the smoke sits low over the city for weeks.87
  12. 聖塔芭芭拉 🇺🇸 美國Sundowner wind and fire season · 9月15日–12月15日（通常）Hot dry winds fall down the Santa Ynez range onto the town in the evenings of late autumn, which is when this coast's serious fires have started.87
  13. 德里 🇮🇳 印度Severe air season · 10月1日–1月31日（通常）Emergency pollution restrictions run from 1 October: construction bans, diesel-vehicle limits and schools moved online when it escalates.84
  14. 大蘇爾 🇺🇸 美國Fire season · 7月15日–11月1日（通常）The Ventana wilderness burns regularly and a bad fire closes the highway, the state parks and the campgrounds at once.82
  15. Katoomba 🇦🇺 澳大利亞Bushfire season · 10月1日–3月1日（通常）The whole town sits inside the national park, so a bad fire week means smoke, closed tracks and, on the worst days, a closed highway.80
  16. 伦索伊斯 🇧🇷 巴西Wildfire season · 8月1日–11月30日（通常）Late in the dry season fires set to clear pasture regularly escape into the Chapada, and volunteer brigades from Lençóis spend weeks fighting them.69
  17. 瑪瑙斯 🇧🇷 巴西Burning-season smoke · 8月15日–11月15日（通常）The end of the dry season is when the forest and pasture around the city burn, and the smoke settles over Manaus.57
  18. 阿拉木圖 🇰🇿 哈薩克Winter smog · 11月15日–3月1日（通常）Coal heating and a valley inversion pin the smoke over the city for weeks at a time once the cold sets in.56
  19. 烏蘭巴托 🇲🇳 蒙古國Winter smog · 11月1日–3月31日Raw coal burned in the ger districts for heating, held down over the valley by an inversion, makes this one of the worst urban airs anywhere between November and March.40

11月全世界有什麼活動 →

12月的煙霾季

  1. 玛格丽特河 🇦🇺 澳大利亞Bushfire and burn-off season · 11月15日–4月15日（通常）Summer brings total fire bans and closed forest tracks, and the autumn prescribed burns put smoke through the valleys on still days.96
  2. 袋鼠島 🇦🇺 澳大利亞Fire danger season closures · 11月15日–4月15日（通常）National parks here close on catastrophic fire danger days, which lands squarely in the summer holidays.94
  3. 墨爾本 🇦🇺 澳大利亞Bushfire season · 12月1日–3月15日（通常）The risk in the country around the city peaks after midsummer, and a bad day closes the roads and fills the basin with smoke.92
  4. 瓦爾帕萊索 🇨🇱 智利Fire season in the hills · 12月15日–4月15日（通常）The ravines behind the port dry out over summer and fires have run through the upper hills more than once, the worst of them destroying whole cerros.92
  5. 開普敦 🇿🇦 南非Mountain fire season · 11月1日–5月15日（通常）The fynbos burns most summers, and a bad day closes hiking paths, the cableway and sometimes a suburb's roads.91
  6. 荷巴特 🇦🇺 澳大利亞Bushfire season · 12月1日–3月15日（通常）A dry spell in the highlands can put smoke over the Derwent for days and close the walking tracks around the city.90
  7. 德里 🇮🇳 印度Severe air season · 10月1日–1月31日（通常）Emergency pollution restrictions run from 1 October: construction bans, diesel-vehicle limits and schools moved online when it escalates.88
  8. 悉尼 🇦🇺 澳大利亞Bushfire smoke risk · 11月1日–2月28日（通常）Fires inland or on the coast can put smoke over the city for days in a bad summer; the fire service publishes a danger rating for the Sydney region daily.87
  9. 伯斯 🇦🇺 澳大利亞Bushfire season · 11月15日–4月15日（通常）Fires in the hills east of the city put smoke over the suburbs on still days and close the walking trails on the worst ones.87
  10. Katoomba 🇦🇺 澳大利亞Bushfire season · 10月1日–3月1日（通常）The whole town sits inside the national park, so a bad fire week means smoke, closed tracks and, on the worst days, a closed highway.86
  11. 聖迭戈 🇺🇸 美國Santa Ana wind and fire season · 9月15日–12月15日（通常）Offshore winds off the desert bring the hottest days of the San Diego year in autumn and the county's worst fire risk with them.83
  12. 洛杉磯 🇺🇸 美國Santa Ana wind and fire season · 9月15日–12月15日（通常）Offshore winds arrive over vegetation that has had no rain since spring, and the fire risk peaks before the first storms.81
  13. 加德滿都 🇳🇵 尼泊爾Valley smog season · 11月15日–2月28日（通常）Cold air sits in the bowl of the valley and holds in kiln smoke, vehicle exhaust and field burning from the plains.80
  14. 聖塔芭芭拉 🇺🇸 美國Sundowner wind and fire season · 9月15日–12月15日（通常）Hot dry winds fall down the Santa Ynez range onto the town in the evenings of late autumn, which is when this coast's serious fires have started.77
  15. 圣卡洛斯-德巴里洛切 🇦🇷 阿根廷Patagonian fire season · 12月1日–3月31日（通常）Nahuel Huapi runs a fire risk level through the dry summer and closes trails, campsites and whole valleys when it peaks.76
  16. 鹽湖城 🇺🇸 美國Winter inversion · 12月15日–2月20日（通常）Cold air settles in the valley under a lid of warm air and the exhaust has nowhere to go, sometimes for a fortnight.53
  17. 阿拉木圖 🇰🇿 哈薩克Winter smog · 11月15日–3月1日（通常）Coal heating and a valley inversion pin the smoke over the city for weeks at a time once the cold sets in.42
  18. 烏蘭巴托 🇲🇳 蒙古國Winter smog · 11月1日–3月31日Raw coal burned in the ger districts for heating, held down over the valley by an inversion, makes this one of the worst urban airs anywhere between November and March.29

12月全世界有什麼活動 →

煙霾季：全世界逐月一覽 | SeasonMap