SmogRank / History / City race
Cities in Poland, worst air first, day by day
Each measured city's average over the 30 days to every day since January 2023, worst first. Find your own city to follow it through the race, or keep to one country.
The worst cities in Poland for PM2.5 over the 30 days to 16 Apr 2024: Działdowo 28.9 µg/m³, Włocławek 20.9 µg/m³ and Kutno 19.4 µg/m³.
- 1DziałdowoWarmia-Masuria28.9
- 2WłocławekKujawsko-Pomorskie20.9
- 3KutnoŁódź Voivodeship19.4
- 4Bielsko-BialaSilesia19.1
- 5ZgierzŁódź Voivodeship18.9
- 6KatowiceSilesia18.6
- 7SiedlceMazovia18.4
- 8LublinLublin18.3
- 9GrajewoPodlasie18.1
- 10ŁaskŁódź Voivodeship18.1
- 11Jastrzębie ZdrójSilesia18.1
- 12PruszkówMazovia18.0
- 13RacibórzSilesia17.9
- 14ŁukówLublin17.8
- 15Skarżysko-KamiennaŚwiętokrzyskie17.7
- 16KrakówLesser Poland17.7
- 17LęborkPomerania17.4
- 18KaliszGreater Poland17.1
- 19KościanGreater Poland16.9
- 20ZamośćLublin16.7
+ 55 more cities, 16.7 µg/m³ and below
Cities counted each day
A city's number is its average over the 30 days, shown only when 21 of them were measured (5 of 7 on the 7-day race), the same minimum as the 30- and 7-day boards. A city whose monitors go quiet fades out where it stood rather than sliding down, so a gap never reads as cleaner air. Some large countries are thin or missing because their monitors' licences don't allow reuse. How we rank.
Not covered: the government monitoring networks of China and Turkey, which publish only on their own websites; we are building the readers for them. Most cities there are missing from this board, not clean. Why.