Zimowy smog, miesiąc po miesiącu na całym świecie

Dym z węgla i inwersja w dolinie; problemem jest powietrze, nie mróz.

To strona ostrzegawcza, a nie rekomendacja. Zimowy smog obejmuje w SeasonMap 38 kierunków; miesiące poniżej to te, w których okno ryzyka jest otwarte — większość tygodni mija spokojnie, a wynik obok każdego miejsca to wciąż zwykły wynik klimatyczny, razem z zagrożeniem.

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Kiedy trwa

Liczba kierunków, w których zimowy smog trwa w danym miesiącu. Okna co roku nieco się przesuwają.

Zimowy smog — styczeń

  1. Dhaka 🇧🇩 BangladeszDry-season air · 15 lis – 28 lutBrick 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
  2. Kaohsiung 🇹🇼 Republika ChińskaWinter air-quality season · 1 paź – 31 mar (zwykle)The rain stops, the wind drops and the petrochemical belt on the north side has nowhere to go.87
  3. Waranasi 🇮🇳 IndiePost-Diwali smog · 25 paź – 10 lut (zwykle)Stubble burning upwind, firecrackers and a cold air trap put the plains under a brown haze from Diwali onward.86
  4. Taizhong 🇹🇼 Republika ChińskaAutumn and winter haze · 15 paź – 31 mar (zwykle)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
  5. Agra 🇮🇳 IndieWinter smog season · 1 lis – 31 sty (zwykle)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
  6. Lahaur 🇵🇰 PakistanSmog season · 15 paź – 31 sty (zwykle)The province declares a smog season and acts on it: schools shut, offices go part-remote, brick kilns and building sites stop.74
  7. Islamabad 🇵🇰 PakistanWinter haze from the plains · 1 lis – 15 sty (zwykle)The Punjab smog does not stop at the motorway.69
  8. Chengdu 🇨🇳 Chińska Republika LudowaWinter smog · 15 lis – 28 lutThe basin holds its own air all winter under an inversion.67
  9. Teheran 🇮🇷 IranWinter inversion smog · 15 lis – 28 lut (zwykle)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
  10. Tirana 🇦🇱 AlbaniaWinter air pollution · 15 lis – 28 lutOld 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
  11. Szanghaj 🇨🇳 Chińska Republika LudowaWinter haze · 15 lis – 28 lut (zwykle)Still, cold weeks trap particulates over the delta and the skyline goes flat grey for days until a front clears it.62
  12. Turyn 🇮🇹 WłochyPo valley smog season · 1 paź – 31 marThe city sits in a bowl with the Alps on three sides, and winter inversions trap particulates for days.62
  13. Mediolan 🇮🇹 WłochyPo valley smog season · 15 lis – 28 lut (zwykle)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
  14. Pingyao 🇨🇳 Chińska Republika LudowaHeating-season smog · 15 lis – 15 mar (zwykle)Shanxi is China's coal province and the central heating goes on in the middle of November.59
  15. Płowdiw 🇧🇬 BułgariaWinter smog · 1 lis – 10 mar (zwykle)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
  16. Xi’an 🇨🇳 Chińska Republika LudowaWinter smog · 15 lis – 28 lutThe Guanzhong basin traps its air under the Qinling mountains all winter, and Xi'an posts some of the worst readings in the country.57
  17. Banja Luka 🇧🇦 Bośnia i HercegowinaWinter heating smog · 15 lis – 28 lut (zwykle)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
  18. Skopje 🇲🇰 Macedonia PółnocnaWinter air pollution · 1 lis – 28 lutHousehold 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
  19. Ankara 🇹🇷 TurcjaWinter inversion · 15 lis – 28 lut (zwykle)The city sits in a bowl and cold, still weather traps household heating smoke in it for days at a time.55
  20. Belgrad 🇷🇸 SerbiaWinter smog · 1 lis – 15 mar (zwykle)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
  21. Nisz 🇷🇸 SerbiaWinter heating smog · 1 gru – 28 lut (zwykle)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
  22. Boise 🇺🇸 Stany ZjednoczoneWinter inversion · 15 lis – 15 lut (zwykle)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
  23. Nowy Sad 🇷🇸 SerbiaWinter air pollution · 15 lis – 28 lutCold, still days over the Pannonian flat trap household heating smoke and the city regularly logs some of the worst readings in Europe.51
  24. Sofia 🇧🇬 BułgariaWinter smog · 1 lis – 10 mar (zwykle)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
  25. Stuttgart 🇩🇪 NiemcyValley inversion air · 15 lis – 28 lut (zwykle)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

…i jeszcze 10 w tym miesiącu (styczeń).

Co się dzieje na świecie — styczeń →

Zimowy smog — luty

  1. Kaohsiung 🇹🇼 Republika ChińskaWinter air-quality season · 1 paź – 31 mar (zwykle)The rain stops, the wind drops and the petrochemical belt on the north side has nowhere to go.90
  2. Waranasi 🇮🇳 IndiePost-Diwali smog · 25 paź – 10 lut (zwykle)Stubble burning upwind, firecrackers and a cold air trap put the plains under a brown haze from Diwali onward.89
  3. Taizhong 🇹🇼 Republika ChińskaAutumn and winter haze · 15 paź – 31 mar (zwykle)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
  4. Dhaka 🇧🇩 BangladeszDry-season air · 15 lis – 28 lutBrick 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
  5. Tirana 🇦🇱 AlbaniaWinter air pollution · 15 lis – 28 lutOld 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
  6. Chengdu 🇨🇳 Chińska Republika LudowaWinter smog · 15 lis – 28 lutThe basin holds its own air all winter under an inversion.73
  7. Teheran 🇮🇷 IranWinter inversion smog · 15 lis – 28 lut (zwykle)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
  8. Płowdiw 🇧🇬 BułgariaWinter smog · 1 lis – 10 mar (zwykle)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
  9. Xi’an 🇨🇳 Chińska Republika LudowaWinter smog · 15 lis – 28 lutThe Guanzhong basin traps its air under the Qinling mountains all winter, and Xi'an posts some of the worst readings in the country.68
  10. Turyn 🇮🇹 WłochyPo valley smog season · 1 paź – 31 marThe city sits in a bowl with the Alps on three sides, and winter inversions trap particulates for days.68
  11. Skopje 🇲🇰 Macedonia PółnocnaWinter air pollution · 1 lis – 28 lutHousehold 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
  12. Belgrad 🇷🇸 SerbiaWinter smog · 1 lis – 15 mar (zwykle)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
  13. Nisz 🇷🇸 SerbiaWinter heating smog · 1 gru – 28 lut (zwykle)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
  14. Szanghaj 🇨🇳 Chińska Republika LudowaWinter haze · 15 lis – 28 lut (zwykle)Still, cold weeks trap particulates over the delta and the skyline goes flat grey for days until a front clears it.66
  15. Mediolan 🇮🇹 WłochyPo valley smog season · 15 lis – 28 lut (zwykle)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
  16. Ankara 🇹🇷 TurcjaWinter inversion · 15 lis – 28 lut (zwykle)The city sits in a bowl and cold, still weather traps household heating smoke in it for days at a time.66
  17. Nowy Sad 🇷🇸 SerbiaWinter air pollution · 15 lis – 28 lutCold, still days over the Pannonian flat trap household heating smoke and the city regularly logs some of the worst readings in Europe.65
  18. Banja Luka 🇧🇦 Bośnia i HercegowinaWinter heating smog · 15 lis – 28 lut (zwykle)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
  19. Sofia 🇧🇬 BułgariaWinter smog · 1 lis – 10 mar (zwykle)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
  20. Prisztina KosowoWinter air pollution · 1 lis – 28 lutTwo 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
  21. Pingyao 🇨🇳 Chińska Republika LudowaHeating-season smog · 15 lis – 15 mar (zwykle)Shanxi is China's coal province and the central heating goes on in the middle of November.64
  22. Sarajewo 🇧🇦 Bośnia i HercegowinaValley inversion smog · 1 lis – 28 lutCold 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
  23. Stuttgart 🇩🇪 NiemcyValley inversion air · 15 lis – 28 lut (zwykle)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
  24. Boise 🇺🇸 Stany ZjednoczoneWinter inversion · 15 lis – 15 lut (zwykle)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
  25. Pekin 🇨🇳 Chińska Republika LudowaWinter smog days · 15 lis – 28 lut (zwykle)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

…i jeszcze 7 w tym miesiącu (luty).

Co się dzieje na świecie — luty →

Zimowy smog — marzec

  1. Kaohsiung 🇹🇼 Republika ChińskaWinter air-quality season · 1 paź – 31 mar (zwykle)The rain stops, the wind drops and the petrochemical belt on the north side has nowhere to go.80
  2. Taizhong 🇹🇼 Republika ChińskaAutumn and winter haze · 15 paź – 31 mar (zwykle)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
  3. Płowdiw 🇧🇬 BułgariaWinter smog · 1 lis – 10 mar (zwykle)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
  4. Belgrad 🇷🇸 SerbiaWinter smog · 1 lis – 15 mar (zwykle)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
  5. Turyn 🇮🇹 WłochyPo valley smog season · 1 paź – 31 marThe city sits in a bowl with the Alps on three sides, and winter inversions trap particulates for days.74
  6. Pingyao 🇨🇳 Chińska Republika LudowaHeating-season smog · 15 lis – 15 mar (zwykle)Shanxi is China's coal province and the central heating goes on in the middle of November.71
  7. Sofia 🇧🇬 BułgariaWinter smog · 1 lis – 10 mar (zwykle)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
  8. Biszkek 🇰🇬 KirgistanWinter smog · 1 lis – 1 mar (zwykle)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
  9. Wrocław 🇵🇱 PolskaWinter smog · 1 lis – 10 mar (zwykle)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
  10. Kraków 🇵🇱 PolskaWinter smog · 1 lis – 15 mar (zwykle)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
  11. Poznań 🇵🇱 PolskaWinter smog · 10 lis – 5 mar (zwykle)Solid-fuel stoves in the older districts and windless, freezing days push the air into the range Poland is known for.65
  12. Warszawa 🇵🇱 PolskaWinter smog · 1 lis – 15 mar (zwykle)Coal and wood heating in the surrounding towns plus a cold, still inversion give the city its worst air between November and March.64
  13. Łódź 🇵🇱 PolskaWinter smog · 1 lis – 15 mar (zwykle)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
  14. Zakopane 🇵🇱 PolskaWinter smog · 15 lis – 15 mar (zwykle)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

Co się dzieje na świecie — marzec →

Zimowy smog — czerwiec

  1. Pretoria 🇿🇦 Południowa AfrykaWinter haze in the valley · 1 cze – 31 sie (zwykle)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
  2. Johannesburg 🇿🇦 Południowa AfrykaWinter haze over the Highveld · 1 cze – 31 sie (zwykle)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
  3. Dżakarta 🇮🇩 IndonezjaDry-season smog · 15 cze – 15 paź (zwykle)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

Co się dzieje na świecie — czerwiec →

Zimowy smog — lipiec

  1. Pretoria 🇿🇦 Południowa AfrykaWinter haze in the valley · 1 cze – 31 sie (zwykle)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
  2. Johannesburg 🇿🇦 Południowa AfrykaWinter haze over the Highveld · 1 cze – 31 sie (zwykle)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
  3. Dżakarta 🇮🇩 IndonezjaDry-season smog · 15 cze – 15 paź (zwykle)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

Co się dzieje na świecie — lipiec →

Zimowy smog — sierpień

  1. Pretoria 🇿🇦 Południowa AfrykaWinter haze in the valley · 1 cze – 31 sie (zwykle)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
  2. Johannesburg 🇿🇦 Południowa AfrykaWinter haze over the Highveld · 1 cze – 31 sie (zwykle)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
  3. Dżakarta 🇮🇩 IndonezjaDry-season smog · 15 cze – 15 paź (zwykle)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

Co się dzieje na świecie — sierpień →

Zimowy smog — wrzesień

  1. Dżakarta 🇮🇩 IndonezjaDry-season smog · 15 cze – 15 paź (zwykle)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.68

Co się dzieje na świecie — wrzesień →

Zimowy smog — październik

  1. Turyn 🇮🇹 WłochyPo valley smog season · 1 paź – 31 marThe city sits in a bowl with the Alps on three sides, and winter inversions trap particulates for days.78
  2. Lahaur 🇵🇰 PakistanSmog season · 15 paź – 31 sty (zwykle)The province declares a smog season and acts on it: schools shut, offices go part-remote, brick kilns and building sites stop.72
  3. Waranasi 🇮🇳 IndiePost-Diwali smog · 25 paź – 10 lut (zwykle)Stubble burning upwind, firecrackers and a cold air trap put the plains under a brown haze from Diwali onward.65
  4. Taizhong 🇹🇼 Republika ChińskaAutumn and winter haze · 15 paź – 31 mar (zwykle)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
  5. Dżakarta 🇮🇩 IndonezjaDry-season smog · 15 cze – 15 paź (zwykle)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
  6. Kaohsiung 🇹🇼 Republika ChińskaWinter air-quality season · 1 paź – 31 mar (zwykle)The rain stops, the wind drops and the petrochemical belt on the north side has nowhere to go.60

Co się dzieje na świecie — październik →

Zimowy smog — listopad

  1. Lahaur 🇵🇰 PakistanSmog season · 15 paź – 31 sty (zwykle)The province declares a smog season and acts on it: schools shut, offices go part-remote, brick kilns and building sites stop.91
  2. Islamabad 🇵🇰 PakistanWinter haze from the plains · 1 lis – 15 sty (zwykle)The Punjab smog does not stop at the motorway.90
  3. Agra 🇮🇳 IndieWinter smog season · 1 lis – 31 sty (zwykle)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
  4. Waranasi 🇮🇳 IndiePost-Diwali smog · 25 paź – 10 lut (zwykle)Stubble burning upwind, firecrackers and a cold air trap put the plains under a brown haze from Diwali onward.82
  5. Szanghaj 🇨🇳 Chińska Republika LudowaWinter haze · 15 lis – 28 lut (zwykle)Still, cold weeks trap particulates over the delta and the skyline goes flat grey for days until a front clears it.78
  6. Chengdu 🇨🇳 Chińska Republika LudowaWinter smog · 15 lis – 28 lutThe basin holds its own air all winter under an inversion.78
  7. Teheran 🇮🇷 IranWinter inversion smog · 15 lis – 28 lut (zwykle)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
  8. Pingyao 🇨🇳 Chińska Republika LudowaHeating-season smog · 15 lis – 15 mar (zwykle)Shanxi is China's coal province and the central heating goes on in the middle of November.78
  9. Taizhong 🇹🇼 Republika ChińskaAutumn and winter haze · 15 paź – 31 mar (zwykle)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
  10. Dhaka 🇧🇩 BangladeszDry-season air · 15 lis – 28 lutBrick 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
  11. Ankara 🇹🇷 TurcjaWinter inversion · 15 lis – 28 lut (zwykle)The city sits in a bowl and cold, still weather traps household heating smoke in it for days at a time.73
  12. Kaohsiung 🇹🇼 Republika ChińskaWinter air-quality season · 1 paź – 31 mar (zwykle)The rain stops, the wind drops and the petrochemical belt on the north side has nowhere to go.72
  13. Xi’an 🇨🇳 Chińska Republika LudowaWinter smog · 15 lis – 28 lutThe Guanzhong basin traps its air under the Qinling mountains all winter, and Xi'an posts some of the worst readings in the country.71
  14. Płowdiw 🇧🇬 BułgariaWinter smog · 1 lis – 10 mar (zwykle)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
  15. Tirana 🇦🇱 AlbaniaWinter air pollution · 15 lis – 28 lutOld 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
  16. Pekin 🇨🇳 Chińska Republika LudowaWinter smog days · 15 lis – 28 lut (zwykle)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
  17. Skopje 🇲🇰 Macedonia PółnocnaWinter air pollution · 1 lis – 28 lutHousehold 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
  18. Sofia 🇧🇬 BułgariaWinter smog · 1 lis – 10 mar (zwykle)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
  19. Boise 🇺🇸 Stany ZjednoczoneWinter inversion · 15 lis – 15 lut (zwykle)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
  20. Belgrad 🇷🇸 SerbiaWinter smog · 1 lis – 15 mar (zwykle)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
  21. Turyn 🇮🇹 WłochyPo valley smog season · 1 paź – 31 marThe city sits in a bowl with the Alps on three sides, and winter inversions trap particulates for days.65
  22. Nowy Sad 🇷🇸 SerbiaWinter air pollution · 15 lis – 28 lutCold, still days over the Pannonian flat trap household heating smoke and the city regularly logs some of the worst readings in Europe.63
  23. Banja Luka 🇧🇦 Bośnia i HercegowinaWinter heating smog · 15 lis – 28 lut (zwykle)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
  24. Mediolan 🇮🇹 WłochyPo valley smog season · 15 lis – 28 lut (zwykle)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
  25. Biszkek 🇰🇬 KirgistanWinter smog · 1 lis – 1 mar (zwykle)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

…i jeszcze 9 w tym miesiącu (listopad).

Co się dzieje na świecie — listopad →

Zimowy smog — grudzień

  1. Waranasi 🇮🇳 IndiePost-Diwali smog · 25 paź – 10 lut (zwykle)Stubble burning upwind, firecrackers and a cold air trap put the plains under a brown haze from Diwali onward.92
  2. Taizhong 🇹🇼 Republika ChińskaAutumn and winter haze · 15 paź – 31 mar (zwykle)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
  3. Dhaka 🇧🇩 BangladeszDry-season air · 15 lis – 28 lutBrick 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
  4. Agra 🇮🇳 IndieWinter smog season · 1 lis – 31 sty (zwykle)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
  5. Kaohsiung 🇹🇼 Republika ChińskaWinter air-quality season · 1 paź – 31 mar (zwykle)The rain stops, the wind drops and the petrochemical belt on the north side has nowhere to go.84
  6. Lahaur 🇵🇰 PakistanSmog season · 15 paź – 31 sty (zwykle)The province declares a smog season and acts on it: schools shut, offices go part-remote, brick kilns and building sites stop.83
  7. Islamabad 🇵🇰 PakistanWinter haze from the plains · 1 lis – 15 sty (zwykle)The Punjab smog does not stop at the motorway.80
  8. Chengdu 🇨🇳 Chińska Republika LudowaWinter smog · 15 lis – 28 lutThe basin holds its own air all winter under an inversion.69
  9. Szanghaj 🇨🇳 Chińska Republika LudowaWinter haze · 15 lis – 28 lut (zwykle)Still, cold weeks trap particulates over the delta and the skyline goes flat grey for days until a front clears it.68
  10. Teheran 🇮🇷 IranWinter inversion smog · 15 lis – 28 lut (zwykle)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
  11. Tirana 🇦🇱 AlbaniaWinter air pollution · 15 lis – 28 lutOld 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
  12. Pingyao 🇨🇳 Chińska Republika LudowaHeating-season smog · 15 lis – 15 mar (zwykle)Shanxi is China's coal province and the central heating goes on in the middle of November.66
  13. Xi’an 🇨🇳 Chińska Republika LudowaWinter smog · 15 lis – 28 lutThe Guanzhong basin traps its air under the Qinling mountains all winter, and Xi'an posts some of the worst readings in the country.63
  14. Płowdiw 🇧🇬 BułgariaWinter smog · 1 lis – 10 mar (zwykle)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
  15. Turyn 🇮🇹 WłochyPo valley smog season · 1 paź – 31 marThe city sits in a bowl with the Alps on three sides, and winter inversions trap particulates for days.60
  16. Ankara 🇹🇷 TurcjaWinter inversion · 15 lis – 28 lut (zwykle)The city sits in a bowl and cold, still weather traps household heating smoke in it for days at a time.60
  17. Skopje 🇲🇰 Macedonia PółnocnaWinter air pollution · 1 lis – 28 lutHousehold 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
  18. Mediolan 🇮🇹 WłochyPo valley smog season · 15 lis – 28 lut (zwykle)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
  19. Belgrad 🇷🇸 SerbiaWinter smog · 1 lis – 15 mar (zwykle)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
  20. Banja Luka 🇧🇦 Bośnia i HercegowinaWinter heating smog · 15 lis – 28 lut (zwykle)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
  21. Nisz 🇷🇸 SerbiaWinter heating smog · 1 gru – 28 lut (zwykle)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
  22. Sofia 🇧🇬 BułgariaWinter smog · 1 lis – 10 mar (zwykle)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
  23. Stuttgart 🇩🇪 NiemcyValley inversion air · 15 lis – 28 lut (zwykle)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
  24. Nowy Sad 🇷🇸 SerbiaWinter air pollution · 15 lis – 28 lutCold, still days over the Pannonian flat trap household heating smoke and the city regularly logs some of the worst readings in Europe.53
  25. Prisztina KosowoWinter air pollution · 1 lis – 28 lutTwo 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

…i jeszcze 10 w tym miesiącu (grudzień).

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Zimowy smog — miesiąc po miesiącu na całym świecie | SeasonMap