የክረምት ጭስ፣ በዓለም ዙሪያ ወር በወር
የከሰል ጭስና የሸለቆ ተገላቢጦሽ፤ ችግሩ ብርዱ ሳይሆን አየሩ ነው።
ይህ የማስጠንቀቂያ ገጽ እንጂ የምክር ገጽ አይደለም። የክረምት ጭስ በSeasonMap ላይ 38 መዳረሻዎችን ይሸፍናል፤ ከታች ያሉት ወራት የአደጋ መስኮቱ ክፍት የሆነባቸው ናቸው — በውስጣቸው ያሉት አብዛኞቹ ሳምንታት በጸጥታ ያልፋሉ፣ ከእያንዳንዱ ቦታ አጠገብ ያለው ነጥብም አደጋውን ጨምሮ የተለመደው የአየር ንብረት ነጥብ ነው።
መቼ እንደሚካሄድ
የክረምት ጭስ በጃንዋሪ
- ዳካ 🇧🇩 ባንግላዴሽDry-season air · 15 ኖቬም – 28 ፌብBrick kilns fire through the dry months, the construction dust never stops, and the city trades places with Delhi and Lahore at the top of the daily air rankings.93
- Kaohsiung 🇹🇼 የቻይና ሪፐብሊክWinter air-quality season · 1 ኦክቶ – 31 ማርች (በተለምዶ)The rain stops, the wind drops and the petrochemical belt on the north side has nowhere to go.87
- Varanasi 🇮🇳 ህንድPost-Diwali smog · 25 ኦክቶ – 10 ፌብ (በተለምዶ)Stubble burning upwind, firecrackers and a cold air trap put the plains under a brown haze from Diwali onward.86
- Taichung 🇹🇼 የቻይና ሪፐብሊክAutumn and winter haze · 15 ኦክቶ – 31 ማርች (በተለምዶ)Once the summer winds drop, the mountains behind the city stop the air moving and central Taiwan's industry and power stations sit in it.86
- Agra 🇮🇳 ህንድWinter smog season · 1 ኖቬም – 31 ጃን (በተለምዶ)Cold still air over the Doab holds in field smoke, brick kilns and traffic, and the monument can vanish from the far end of its own garden before ten.82
- ለሖር 🇵🇰 ፓኪስታንSmog season · 15 ኦክቶ – 31 ጃን (በተለምዶ)The province declares a smog season and acts on it: schools shut, offices go part-remote, brick kilns and building sites stop.74
- ኢስላማባድ 🇵🇰 ፓኪስታንWinter haze from the plains · 1 ኖቬም – 15 ጃን (በተለምዶ)The Punjab smog does not stop at the motorway.69
- Chengdu 🇨🇳 ቻይናWinter smog · 15 ኖቬም – 28 ፌብThe basin holds its own air all winter under an inversion.67
- ቴህራን 🇮🇷 ፋርስWinter inversion smog · 15 ኖቬም – 28 ፌብ (በተለምዶ)Cold air traps the traffic exhaust against the mountains for days at a time and the government closes schools and offices when it gets bad.64
- ቲራና 🇦🇱 አልባኒያWinter air pollution · 15 ኖቬም – 28 ፌብOld diesel cars in a basin ringed by hills, plus wood heating, and the winter readings climb well past what the city's reputation for mild weather suggests.63
- ሻንጋይ 🇨🇳 ቻይናWinter haze · 15 ኖቬም – 28 ፌብ (በተለምዶ)Still, cold weeks trap particulates over the delta and the skyline goes flat grey for days until a front clears it.62
- ቶሪኖ 🇮🇹 ጣልያንPo valley smog season · 1 ኦክቶ – 31 ማርችThe city sits in a bowl with the Alps on three sides, and winter inversions trap particulates for days.62
- ሚላኖ 🇮🇹 ጣልያንPo valley smog season · 15 ኖቬም – 28 ፌብ (በተለምዶ)The valley sits under the Alps with nowhere for the air to go, so still cold weeks stack particulate up until the region bans the oldest cars.60
- Pingyao 🇨🇳 ቻይናHeating-season smog · 15 ኖቬም – 15 ማርች (በተለምዶ)Shanxi is China's coal province and the central heating goes on in the middle of November.59
- Plovdiv 🇧🇬 ቡልጋሪያWinter smog · 1 ኖቬም – 10 ማርች (በተለምዶ)Wood and coal stoves in the surrounding villages, plus an inversion that traps everything over the Thracian plain, give Plovdiv some of the worst winter particulate readings in the EU.58
- Xi'an 🇨🇳 ቻይናWinter smog · 15 ኖቬም – 28 ፌብThe Guanzhong basin traps its air under the Qinling mountains all winter, and Xi'an posts some of the worst readings in the country.57
- Banja Luka 🇧🇦 ቦስኒያና ሄርጸጎቪናWinter heating smog · 15 ኖቬም – 28 ፌብ (በተለምዶ)Solid-fuel heating plus a valley inversion parks the smoke over the city on still winter days, and January is reliably the worst of it.56
- ስኮፕዬ 🇲🇰 ስሜን መቄዶንያWinter air pollution · 1 ኖቬም – 28 ፌብHousehold heating and traffic under a valley inversion make this one of the worst-affected capitals in Europe, and schools have been closed over it.55
- አንካራ 🇹🇷 ቱርክWinter inversion · 15 ኖቬም – 28 ፌብ (በተለምዶ)The city sits in a bowl and cold, still weather traps household heating smoke in it for days at a time.55
- በልግራድ 🇷🇸 ሰርቢያWinter smog · 1 ኖቬም – 15 ማርች (በተለምዶ)Household coal and wood, old cars and a windless inversion over the confluence put Belgrade near the top of the world air-quality tables on the worst January mornings.54
- Niš 🇷🇸 ሰርቢያWinter heating smog · 1 ዲሴም – 28 ፌብ (በተለምዶ)The same basin that traps the summer heat traps coal smoke from December to February, and the readings go from ordinary to genuinely unhealthy.52
- ቦይዚ 🇺🇸 የተባበሩት የአሜሪካ ግዛቶችWinter inversion · 15 ኖቬም – 15 ፌብ (በተለምዶ)Cold air pools in the U-shaped valley under a warm lid and the wood smoke and traffic exhaust stay with it, sometimes for weeks.51
- Novi Sad 🇷🇸 ሰርቢያWinter air pollution · 15 ኖቬም – 28 ፌብCold, still days over the Pannonian flat trap household heating smoke and the city regularly logs some of the worst readings in Europe.51
- ሶፊያ 🇧🇬 ቡልጋሪያWinter smog · 1 ኖቬም – 10 ማርች (በተለምዶ)The city sits in a basin under Vitosha and the cold air does not move; wood and coal heating in the outer districts then fills it.49
- ሽቱትጋርት 🇩🇪 ጀርመንValley inversion air · 15 ኖቬም – 28 ፌብ (በተለምዶ)The city centre sits in a steep bowl with almost no through wind, which is why it spent years as Germany's worst spot for traffic particulates and still traps its own air on still winter days.49
…እና በጃንዋሪ ሌሎች 10።
የክረምት ጭስ በፌብሩዋሪ
- Kaohsiung 🇹🇼 የቻይና ሪፐብሊክWinter air-quality season · 1 ኦክቶ – 31 ማርች (በተለምዶ)The rain stops, the wind drops and the petrochemical belt on the north side has nowhere to go.90
- Varanasi 🇮🇳 ህንድPost-Diwali smog · 25 ኦክቶ – 10 ፌብ (በተለምዶ)Stubble burning upwind, firecrackers and a cold air trap put the plains under a brown haze from Diwali onward.89
- Taichung 🇹🇼 የቻይና ሪፐብሊክAutumn and winter haze · 15 ኦክቶ – 31 ማርች (በተለምዶ)Once the summer winds drop, the mountains behind the city stop the air moving and central Taiwan's industry and power stations sit in it.88
- ዳካ 🇧🇩 ባንግላዴሽDry-season air · 15 ኖቬም – 28 ፌብBrick kilns fire through the dry months, the construction dust never stops, and the city trades places with Delhi and Lahore at the top of the daily air rankings.84
- ቲራና 🇦🇱 አልባኒያWinter air pollution · 15 ኖቬም – 28 ፌብOld diesel cars in a basin ringed by hills, plus wood heating, and the winter readings climb well past what the city's reputation for mild weather suggests.75
- Chengdu 🇨🇳 ቻይናWinter smog · 15 ኖቬም – 28 ፌብThe basin holds its own air all winter under an inversion.73
- ቴህራን 🇮🇷 ፋርስWinter inversion smog · 15 ኖቬም – 28 ፌብ (በተለምዶ)Cold air traps the traffic exhaust against the mountains for days at a time and the government closes schools and offices when it gets bad.70
- Plovdiv 🇧🇬 ቡልጋሪያWinter smog · 1 ኖቬም – 10 ማርች (በተለምዶ)Wood and coal stoves in the surrounding villages, plus an inversion that traps everything over the Thracian plain, give Plovdiv some of the worst winter particulate readings in the EU.68
- Xi'an 🇨🇳 ቻይናWinter smog · 15 ኖቬም – 28 ፌብThe Guanzhong basin traps its air under the Qinling mountains all winter, and Xi'an posts some of the worst readings in the country.68
- ቶሪኖ 🇮🇹 ጣልያንPo valley smog season · 1 ኦክቶ – 31 ማርችThe city sits in a bowl with the Alps on three sides, and winter inversions trap particulates for days.68
- ስኮፕዬ 🇲🇰 ስሜን መቄዶንያWinter air pollution · 1 ኖቬም – 28 ፌብHousehold heating and traffic under a valley inversion make this one of the worst-affected capitals in Europe, and schools have been closed over it.68
- በልግራድ 🇷🇸 ሰርቢያWinter smog · 1 ኖቬም – 15 ማርች (በተለምዶ)Household coal and wood, old cars and a windless inversion over the confluence put Belgrade near the top of the world air-quality tables on the worst January mornings.67
- Niš 🇷🇸 ሰርቢያWinter heating smog · 1 ዲሴም – 28 ፌብ (በተለምዶ)The same basin that traps the summer heat traps coal smoke from December to February, and the readings go from ordinary to genuinely unhealthy.67
- ሻንጋይ 🇨🇳 ቻይናWinter haze · 15 ኖቬም – 28 ፌብ (በተለምዶ)Still, cold weeks trap particulates over the delta and the skyline goes flat grey for days until a front clears it.66
- ሚላኖ 🇮🇹 ጣልያንPo valley smog season · 15 ኖቬም – 28 ፌብ (በተለምዶ)The valley sits under the Alps with nowhere for the air to go, so still cold weeks stack particulate up until the region bans the oldest cars.66
- አንካራ 🇹🇷 ቱርክWinter inversion · 15 ኖቬም – 28 ፌብ (በተለምዶ)The city sits in a bowl and cold, still weather traps household heating smoke in it for days at a time.66
- Novi Sad 🇷🇸 ሰርቢያWinter air pollution · 15 ኖቬም – 28 ፌብCold, still days over the Pannonian flat trap household heating smoke and the city regularly logs some of the worst readings in Europe.65
- Banja Luka 🇧🇦 ቦስኒያና ሄርጸጎቪናWinter heating smog · 15 ኖቬም – 28 ፌብ (በተለምዶ)Solid-fuel heating plus a valley inversion parks the smoke over the city on still winter days, and January is reliably the worst of it.65
- ሶፊያ 🇧🇬 ቡልጋሪያWinter smog · 1 ኖቬም – 10 ማርች (በተለምዶ)The city sits in a basin under Vitosha and the cold air does not move; wood and coal heating in the outer districts then fills it.64
- ፕርሽቲና ኮሶቮWinter air pollution · 1 ኖቬም – 28 ፌብTwo lignite power stations sit just outside the city and household heating adds to them, and cold still nights trap the lot in the basin.64
- Pingyao 🇨🇳 ቻይናHeating-season smog · 15 ኖቬም – 15 ማርች (በተለምዶ)Shanxi is China's coal province and the central heating goes on in the middle of November.64
- ሳራዬቮ 🇧🇦 ቦስኒያና ሄርጸጎቪናValley inversion smog · 1 ኖቬም – 28 ፌብCold air settles in the bowl of the valley and holds coal and wood smoke over the city for days at a time; the readings regularly rank among the world's worst.63
- ሽቱትጋርት 🇩🇪 ጀርመንValley inversion air · 15 ኖቬም – 28 ፌብ (በተለምዶ)The city centre sits in a steep bowl with almost no through wind, which is why it spent years as Germany's worst spot for traffic particulates and still traps its own air on still winter days.62
- ቦይዚ 🇺🇸 የተባበሩት የአሜሪካ ግዛቶችWinter inversion · 15 ኖቬም – 15 ፌብ (በተለምዶ)Cold air pools in the U-shaped valley under a warm lid and the wood smoke and traffic exhaust stay with it, sometimes for weeks.61
- ቤዪጂንግ 🇨🇳 ቻይናWinter smog days · 15 ኖቬም – 28 ፌብ (በተለምዶ)The heating season and a still, cold high can pin a grey lid over the city for days; it is far better than it was a decade ago, but the bad spells still come in runs of three or four days.59
…እና በፌብሩዋሪ ሌሎች 7።
የክረምት ጭስ በማርች
- Kaohsiung 🇹🇼 የቻይና ሪፐብሊክWinter air-quality season · 1 ኦክቶ – 31 ማርች (በተለምዶ)The rain stops, the wind drops and the petrochemical belt on the north side has nowhere to go.80
- Taichung 🇹🇼 የቻይና ሪፐብሊክAutumn and winter haze · 15 ኦክቶ – 31 ማርች (በተለምዶ)Once the summer winds drop, the mountains behind the city stop the air moving and central Taiwan's industry and power stations sit in it.80
- Plovdiv 🇧🇬 ቡልጋሪያWinter smog · 1 ኖቬም – 10 ማርች (በተለምዶ)Wood and coal stoves in the surrounding villages, plus an inversion that traps everything over the Thracian plain, give Plovdiv some of the worst winter particulate readings in the EU.75
- በልግራድ 🇷🇸 ሰርቢያWinter smog · 1 ኖቬም – 15 ማርች (በተለምዶ)Household coal and wood, old cars and a windless inversion over the confluence put Belgrade near the top of the world air-quality tables on the worst January mornings.74
- ቶሪኖ 🇮🇹 ጣልያንPo valley smog season · 1 ኦክቶ – 31 ማርችThe city sits in a bowl with the Alps on three sides, and winter inversions trap particulates for days.74
- Pingyao 🇨🇳 ቻይናHeating-season smog · 15 ኖቬም – 15 ማርች (በተለምዶ)Shanxi is China's coal province and the central heating goes on in the middle of November.71
- ሶፊያ 🇧🇬 ቡልጋሪያWinter smog · 1 ኖቬም – 10 ማርች (በተለምዶ)The city sits in a basin under Vitosha and the cold air does not move; wood and coal heating in the outer districts then fills it.70
- ቢሽኬክ 🇰🇬 ኪርጊዝስታንWinter smog · 1 ኖቬም – 1 ማርች (በተለምዶ)Coal stoves in the private housing around the city plus an inversion in the bowl put Bishkek near the top of the world air-quality lists on winter mornings.68
- ቭሮጽወፍ 🇵🇱 ፖላንድWinter smog · 1 ኖቬም – 10 ማርች (በተለምዶ)Coal and wood stoves still heat a lot of the old tenement stock, and a windless freeze puts the readings into the range that makes national news.67
- ክራካው 🇵🇱 ፖላንድWinter smog · 1 ኖቬም – 15 ማርች (በተለምዶ)Coal heating in the valley towns around the city and a cold inversion put the worst air of the year over Krakow between November and March.65
- ፖዝነኝ 🇵🇱 ፖላንድWinter smog · 10 ኖቬም – 5 ማርች (በተለምዶ)Solid-fuel stoves in the older districts and windless, freezing days push the air into the range Poland is known for.65
- ዋርሶው 🇵🇱 ፖላንድWinter smog · 1 ኖቬም – 15 ማርች (በተለምዶ)Coal and wood heating in the surrounding towns plus a cold, still inversion give the city its worst air between November and March.64
- ዉች 🇵🇱 ፖላንድWinter smog · 1 ኖቬም – 15 ማርች (በተለምዶ)Coal and wood stoves in the old tenement districts, plus still, cold air over a flat city, put the worst readings of the year here between November and March.64
- Zakopane 🇵🇱 ፖላንድWinter smog · 15 ኖቬም – 15 ማርች (በተለምዶ)A resort at the foot of a national park with some of the worst winter air in Poland: coal stoves in the valley and no wind to move it.53
የክረምት ጭስ በጁን
- ፕሪቶሪያ 🇿🇦 ደቡብ አፍሪካWinter haze in the valley · 1 ጁን – 31 ኦገስ (በተለምዶ)Cold air settles between the ridges and holds smoke from veld fires and household coal under it, so the horizon browns out for weeks.88
- ጆሃንስበርግ 🇿🇦 ደቡብ አፍሪካWinter haze over the Highveld · 1 ጁን – 31 ኦገስ (በተለምዶ)Cold air traps smoke from veld fires, coal stoves and the industrial East Rand under an inversion, and the horizon goes brown for weeks.85
- ጃካርታ 🇮🇩 ኢንዶኔዥያDry-season smog · 15 ጁን – 15 ኦክቶ (በተለምዶ)Traffic, coal plants along the coast and no rain to clear it: Jakarta regularly ranks among the world's most polluted major cities in these months.65
የክረምት ጭስ በጁላይ
- ፕሪቶሪያ 🇿🇦 ደቡብ አፍሪካWinter haze in the valley · 1 ጁን – 31 ኦገስ (በተለምዶ)Cold air settles between the ridges and holds smoke from veld fires and household coal under it, so the horizon browns out for weeks.88
- ጆሃንስበርግ 🇿🇦 ደቡብ አፍሪካWinter haze over the Highveld · 1 ጁን – 31 ኦገስ (በተለምዶ)Cold air traps smoke from veld fires, coal stoves and the industrial East Rand under an inversion, and the horizon goes brown for weeks.85
- ጃካርታ 🇮🇩 ኢንዶኔዥያDry-season smog · 15 ጁን – 15 ኦክቶ (በተለምዶ)Traffic, coal plants along the coast and no rain to clear it: Jakarta regularly ranks among the world's most polluted major cities in these months.69
የክረምት ጭስ በኦገስት
- ፕሪቶሪያ 🇿🇦 ደቡብ አፍሪካWinter haze in the valley · 1 ጁን – 31 ኦገስ (በተለምዶ)Cold air settles between the ridges and holds smoke from veld fires and household coal under it, so the horizon browns out for weeks.93
- ጆሃንስበርግ 🇿🇦 ደቡብ አፍሪካWinter haze over the Highveld · 1 ጁን – 31 ኦገስ (በተለምዶ)Cold air traps smoke from veld fires, coal stoves and the industrial East Rand under an inversion, and the horizon goes brown for weeks.91
- ጃካርታ 🇮🇩 ኢንዶኔዥያDry-season smog · 15 ጁን – 15 ኦክቶ (በተለምዶ)Traffic, coal plants along the coast and no rain to clear it: Jakarta regularly ranks among the world's most polluted major cities in these months.70
የክረምት ጭስ በሴፕቴምበር
የክረምት ጭስ በኦክቶበር
- ቶሪኖ 🇮🇹 ጣልያንPo valley smog season · 1 ኦክቶ – 31 ማርችThe city sits in a bowl with the Alps on three sides, and winter inversions trap particulates for days.78
- ለሖር 🇵🇰 ፓኪስታንSmog season · 15 ኦክቶ – 31 ጃን (በተለምዶ)The province declares a smog season and acts on it: schools shut, offices go part-remote, brick kilns and building sites stop.72
- Varanasi 🇮🇳 ህንድPost-Diwali smog · 25 ኦክቶ – 10 ፌብ (በተለምዶ)Stubble burning upwind, firecrackers and a cold air trap put the plains under a brown haze from Diwali onward.65
- Taichung 🇹🇼 የቻይና ሪፐብሊክAutumn and winter haze · 15 ኦክቶ – 31 ማርች (በተለምዶ)Once the summer winds drop, the mountains behind the city stop the air moving and central Taiwan's industry and power stations sit in it.64
- ጃካርታ 🇮🇩 ኢንዶኔዥያDry-season smog · 15 ጁን – 15 ኦክቶ (በተለምዶ)Traffic, coal plants along the coast and no rain to clear it: Jakarta regularly ranks among the world's most polluted major cities in these months.61
- Kaohsiung 🇹🇼 የቻይና ሪፐብሊክWinter air-quality season · 1 ኦክቶ – 31 ማርች (በተለምዶ)The rain stops, the wind drops and the petrochemical belt on the north side has nowhere to go.60
የክረምት ጭስ በኖቬምበር
- ለሖር 🇵🇰 ፓኪስታንSmog season · 15 ኦክቶ – 31 ጃን (በተለምዶ)The province declares a smog season and acts on it: schools shut, offices go part-remote, brick kilns and building sites stop.91
- ኢስላማባድ 🇵🇰 ፓኪስታንWinter haze from the plains · 1 ኖቬም – 15 ጃን (በተለምዶ)The Punjab smog does not stop at the motorway.90
- Agra 🇮🇳 ህንድWinter smog season · 1 ኖቬም – 31 ጃን (በተለምዶ)Cold still air over the Doab holds in field smoke, brick kilns and traffic, and the monument can vanish from the far end of its own garden before ten.88
- Varanasi 🇮🇳 ህንድPost-Diwali smog · 25 ኦክቶ – 10 ፌብ (በተለምዶ)Stubble burning upwind, firecrackers and a cold air trap put the plains under a brown haze from Diwali onward.82
- ሻንጋይ 🇨🇳 ቻይናWinter haze · 15 ኖቬም – 28 ፌብ (በተለምዶ)Still, cold weeks trap particulates over the delta and the skyline goes flat grey for days until a front clears it.78
- Chengdu 🇨🇳 ቻይናWinter smog · 15 ኖቬም – 28 ፌብThe basin holds its own air all winter under an inversion.78
- ቴህራን 🇮🇷 ፋርስWinter inversion smog · 15 ኖቬም – 28 ፌብ (በተለምዶ)Cold air traps the traffic exhaust against the mountains for days at a time and the government closes schools and offices when it gets bad.78
- Pingyao 🇨🇳 ቻይናHeating-season smog · 15 ኖቬም – 15 ማርች (በተለምዶ)Shanxi is China's coal province and the central heating goes on in the middle of November.78
- Taichung 🇹🇼 የቻይና ሪፐብሊክAutumn and winter haze · 15 ኦክቶ – 31 ማርች (በተለምዶ)Once the summer winds drop, the mountains behind the city stop the air moving and central Taiwan's industry and power stations sit in it.77
- ዳካ 🇧🇩 ባንግላዴሽDry-season air · 15 ኖቬም – 28 ፌብBrick kilns fire through the dry months, the construction dust never stops, and the city trades places with Delhi and Lahore at the top of the daily air rankings.75
- አንካራ 🇹🇷 ቱርክWinter inversion · 15 ኖቬም – 28 ፌብ (በተለምዶ)The city sits in a bowl and cold, still weather traps household heating smoke in it for days at a time.73
- Kaohsiung 🇹🇼 የቻይና ሪፐብሊክWinter air-quality season · 1 ኦክቶ – 31 ማርች (በተለምዶ)The rain stops, the wind drops and the petrochemical belt on the north side has nowhere to go.72
- Xi'an 🇨🇳 ቻይናWinter smog · 15 ኖቬም – 28 ፌብThe Guanzhong basin traps its air under the Qinling mountains all winter, and Xi'an posts some of the worst readings in the country.71
- Plovdiv 🇧🇬 ቡልጋሪያWinter smog · 1 ኖቬም – 10 ማርች (በተለምዶ)Wood and coal stoves in the surrounding villages, plus an inversion that traps everything over the Thracian plain, give Plovdiv some of the worst winter particulate readings in the EU.70
- ቲራና 🇦🇱 አልባኒያWinter air pollution · 15 ኖቬም – 28 ፌብOld diesel cars in a basin ringed by hills, plus wood heating, and the winter readings climb well past what the city's reputation for mild weather suggests.70
- ቤዪጂንግ 🇨🇳 ቻይናWinter smog days · 15 ኖቬም – 28 ፌብ (በተለምዶ)The heating season and a still, cold high can pin a grey lid over the city for days; it is far better than it was a decade ago, but the bad spells still come in runs of three or four days.67
- ስኮፕዬ 🇲🇰 ስሜን መቄዶንያWinter air pollution · 1 ኖቬም – 28 ፌብHousehold heating and traffic under a valley inversion make this one of the worst-affected capitals in Europe, and schools have been closed over it.67
- ሶፊያ 🇧🇬 ቡልጋሪያWinter smog · 1 ኖቬም – 10 ማርች (በተለምዶ)The city sits in a basin under Vitosha and the cold air does not move; wood and coal heating in the outer districts then fills it.66
- ቦይዚ 🇺🇸 የተባበሩት የአሜሪካ ግዛቶችWinter inversion · 15 ኖቬም – 15 ፌብ (በተለምዶ)Cold air pools in the U-shaped valley under a warm lid and the wood smoke and traffic exhaust stay with it, sometimes for weeks.66
- በልግራድ 🇷🇸 ሰርቢያWinter smog · 1 ኖቬም – 15 ማርች (በተለምዶ)Household coal and wood, old cars and a windless inversion over the confluence put Belgrade near the top of the world air-quality tables on the worst January mornings.65
- ቶሪኖ 🇮🇹 ጣልያንPo valley smog season · 1 ኦክቶ – 31 ማርችThe city sits in a bowl with the Alps on three sides, and winter inversions trap particulates for days.65
- Novi Sad 🇷🇸 ሰርቢያWinter air pollution · 15 ኖቬም – 28 ፌብCold, still days over the Pannonian flat trap household heating smoke and the city regularly logs some of the worst readings in Europe.63
- Banja Luka 🇧🇦 ቦስኒያና ሄርጸጎቪናWinter heating smog · 15 ኖቬም – 28 ፌብ (በተለምዶ)Solid-fuel heating plus a valley inversion parks the smoke over the city on still winter days, and January is reliably the worst of it.63
- ሚላኖ 🇮🇹 ጣልያንPo valley smog season · 15 ኖቬም – 28 ፌብ (በተለምዶ)The valley sits under the Alps with nowhere for the air to go, so still cold weeks stack particulate up until the region bans the oldest cars.62
- ቢሽኬክ 🇰🇬 ኪርጊዝስታንWinter smog · 1 ኖቬም – 1 ማርች (በተለምዶ)Coal stoves in the private housing around the city plus an inversion in the bowl put Bishkek near the top of the world air-quality lists on winter mornings.62
…እና በኖቬምበር ሌሎች 9።
የክረምት ጭስ በዲሴምበር
- Varanasi 🇮🇳 ህንድPost-Diwali smog · 25 ኦክቶ – 10 ፌብ (በተለምዶ)Stubble burning upwind, firecrackers and a cold air trap put the plains under a brown haze from Diwali onward.92
- Taichung 🇹🇼 የቻይና ሪፐብሊክAutumn and winter haze · 15 ኦክቶ – 31 ማርች (በተለምዶ)Once the summer winds drop, the mountains behind the city stop the air moving and central Taiwan's industry and power stations sit in it.90
- ዳካ 🇧🇩 ባንግላዴሽDry-season air · 15 ኖቬም – 28 ፌብBrick kilns fire through the dry months, the construction dust never stops, and the city trades places with Delhi and Lahore at the top of the daily air rankings.87
- Agra 🇮🇳 ህንድWinter smog season · 1 ኖቬም – 31 ጃን (በተለምዶ)Cold still air over the Doab holds in field smoke, brick kilns and traffic, and the monument can vanish from the far end of its own garden before ten.86
- Kaohsiung 🇹🇼 የቻይና ሪፐብሊክWinter air-quality season · 1 ኦክቶ – 31 ማርች (በተለምዶ)The rain stops, the wind drops and the petrochemical belt on the north side has nowhere to go.84
- ለሖር 🇵🇰 ፓኪስታንSmog season · 15 ኦክቶ – 31 ጃን (በተለምዶ)The province declares a smog season and acts on it: schools shut, offices go part-remote, brick kilns and building sites stop.83
- ኢስላማባድ 🇵🇰 ፓኪስታንWinter haze from the plains · 1 ኖቬም – 15 ጃን (በተለምዶ)The Punjab smog does not stop at the motorway.80
- Chengdu 🇨🇳 ቻይናWinter smog · 15 ኖቬም – 28 ፌብThe basin holds its own air all winter under an inversion.69
- ሻንጋይ 🇨🇳 ቻይናWinter haze · 15 ኖቬም – 28 ፌብ (በተለምዶ)Still, cold weeks trap particulates over the delta and the skyline goes flat grey for days until a front clears it.68
- ቴህራን 🇮🇷 ፋርስWinter inversion smog · 15 ኖቬም – 28 ፌብ (በተለምዶ)Cold air traps the traffic exhaust against the mountains for days at a time and the government closes schools and offices when it gets bad.68
- ቲራና 🇦🇱 አልባኒያWinter air pollution · 15 ኖቬም – 28 ፌብOld diesel cars in a basin ringed by hills, plus wood heating, and the winter readings climb well past what the city's reputation for mild weather suggests.67
- Pingyao 🇨🇳 ቻይናHeating-season smog · 15 ኖቬም – 15 ማርች (በተለምዶ)Shanxi is China's coal province and the central heating goes on in the middle of November.66
- Xi'an 🇨🇳 ቻይናWinter smog · 15 ኖቬም – 28 ፌብThe Guanzhong basin traps its air under the Qinling mountains all winter, and Xi'an posts some of the worst readings in the country.63
- Plovdiv 🇧🇬 ቡልጋሪያWinter smog · 1 ኖቬም – 10 ማርች (በተለምዶ)Wood and coal stoves in the surrounding villages, plus an inversion that traps everything over the Thracian plain, give Plovdiv some of the worst winter particulate readings in the EU.61
- ቶሪኖ 🇮🇹 ጣልያንPo valley smog season · 1 ኦክቶ – 31 ማርችThe city sits in a bowl with the Alps on three sides, and winter inversions trap particulates for days.60
- አንካራ 🇹🇷 ቱርክWinter inversion · 15 ኖቬም – 28 ፌብ (በተለምዶ)The city sits in a bowl and cold, still weather traps household heating smoke in it for days at a time.60
- ስኮፕዬ 🇲🇰 ስሜን መቄዶንያWinter air pollution · 1 ኖቬም – 28 ፌብHousehold heating and traffic under a valley inversion make this one of the worst-affected capitals in Europe, and schools have been closed over it.59
- ሚላኖ 🇮🇹 ጣልያንPo valley smog season · 15 ኖቬም – 28 ፌብ (በተለምዶ)The valley sits under the Alps with nowhere for the air to go, so still cold weeks stack particulate up until the region bans the oldest cars.57
- በልግራድ 🇷🇸 ሰርቢያWinter smog · 1 ኖቬም – 15 ማርች (በተለምዶ)Household coal and wood, old cars and a windless inversion over the confluence put Belgrade near the top of the world air-quality tables on the worst January mornings.57
- Banja Luka 🇧🇦 ቦስኒያና ሄርጸጎቪናWinter heating smog · 15 ኖቬም – 28 ፌብ (በተለምዶ)Solid-fuel heating plus a valley inversion parks the smoke over the city on still winter days, and January is reliably the worst of it.57
- Niš 🇷🇸 ሰርቢያWinter heating smog · 1 ዲሴም – 28 ፌብ (በተለምዶ)The same basin that traps the summer heat traps coal smoke from December to February, and the readings go from ordinary to genuinely unhealthy.57
- ሶፊያ 🇧🇬 ቡልጋሪያWinter smog · 1 ኖቬም – 10 ማርች (በተለምዶ)The city sits in a basin under Vitosha and the cold air does not move; wood and coal heating in the outer districts then fills it.55
- ሽቱትጋርት 🇩🇪 ጀርመንValley inversion air · 15 ኖቬም – 28 ፌብ (በተለምዶ)The city centre sits in a steep bowl with almost no through wind, which is why it spent years as Germany's worst spot for traffic particulates and still traps its own air on still winter days.53
- Novi Sad 🇷🇸 ሰርቢያWinter air pollution · 15 ኖቬም – 28 ፌብCold, still days over the Pannonian flat trap household heating smoke and the city regularly logs some of the worst readings in Europe.53
- ፕርሽቲና ኮሶቮWinter air pollution · 1 ኖቬም – 28 ፌብTwo lignite power stations sit just outside the city and household heating adds to them, and cold still nights trap the lot in the basin.52
…እና በዲሴምበር ሌሎች 10።