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.

CountriesCities
The 30 days to16 May 2024 That day's board

The worst cities in Poland for PM2.5 over the 30 days to 16 May 2024: Katowice 14.8 µg/m³, Bielsko-Biala 14.8 µg/m³ and Zielona Góra 14.5 µg/m³.

  1. 1KatowiceSilesia14.8
  2. 2Bielsko-BialaSilesia14.8
  3. 3Zielona GóraLubusz14.5
  4. 4RacibórzSilesia14.4
  5. 5Jastrzębie ZdrójSilesia14.2
  6. 6WłocławekKujawsko-Pomorskie13.9
  7. 7ToruńKujawsko-Pomorskie13.8
  8. 8ŁaskŁódź Voivodeship13.5
  9. 9KaliszGreater Poland13.5
  10. 10DziałdowoWarmia-Masuria13.2
  11. 11OtwockMazovia12.9
  12. 12ŁukówLublin12.7
  13. 13PoznańGreater Poland12.7
  14. 14KutnoŁódź Voivodeship12.6
  15. 15RadomMazovia12.5
  16. 16ZgierzŁódź Voivodeship12.5
  17. 17GdyniaPomerania12.4
  18. 18GdańskPomerania12.4
  19. 19ChojnówLower Silesia12.4
  20. 20DębicaSubcarpathia12.1

+ 55 more cities, 12.1 µg/m³ and below

30 days7 days
GoodModerateSensitive groupsUnhealthyVery unhealthyHazardousWHO 24-hour guideline, 15 µg/m³Fades where it stood: not counted that 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.