SmogRank / Countries / Poland / 2026

Most polluted cities in Poland, 2026

51 cities in Poland ranked by their average PM2.5 so far (273 of 365 days); 51 above the WHO annual guideline (5.0 µg/m³). Worst: Żywiec at 27.7 µg/m³, #155 of 2,181 cities in the world. Cleanest: Olsztyn at 12.2. A city needs measurements on 70% of the days to be ranked.

  1. 1ŻywiecSilesia
    27.75.5×
  2. 2OtwockMazovia
    26.75.3×
  3. 3KaliszGreater Poland
    24.54.9×
  4. 4RadomskoŁódź Voivodeship
    23.34.7×
  5. 4Gorzów WielkopolskiLubusz
    23.34.7×
  6. 6KłodzkoLower Silesia
    22.84.6×
  7. 7WłocławekKujawsko-Pomorskie
    22.04.4×
  8. 8Jastrzębie ZdrójSilesia
    20.94.2×
  9. 9Czechowice-DziedziceSilesia
    20.64.1×
  10. 10ZgierzŁódź Voivodeship
    20.44.1×
  11. 11KrakówLesser Poland
    20.24.0×
  12. 12RzeszówSubcarpathia
    19.73.9×
  13. 13StarachowiceŚwiętokrzyskie
    19.23.8×
  14. 13DębicaSubcarpathia
    19.23.8×
  15. 15TarnówLesser Poland
    18.93.8×
  16. 15WrocławLower Silesia
    18.93.8×
  17. 17ToruńKujawsko-Pomorskie
    18.83.8×
  18. 18ZamośćLublin
    18.63.7×
  19. 19NiskoSubcarpathia
    18.23.6×
  20. 20JarosławSubcarpathia
    18.03.6×
  21. 20PoznańGreater Poland
    18.03.6×
  22. 22RadomMazovia
    17.83.6×
  23. 23ŁódźŁódź Voivodeship
    17.73.5×
  24. 24ŻaryLubusz
    17.63.5×
  25. 25LegionowoMazovia
    17.33.5×
  26. 26PruszkówMazovia
    17.13.4×
  27. 26LublinLublin
    17.13.4×
  28. 28GdańskPomerania
    17.03.4×
  29. 29PrzemyślSubcarpathia
    16.63.3×
  30. 29MielecSubcarpathia
    16.63.3×
  31. 31BydgoszczKujawsko-Pomorskie
    16.53.3×
  32. 32EłkWarmia-Masuria
    16.13.2×
  33. 33CiechanówMazovia
    16.03.2×
  34. 33OpoleOpole Voivodeship
    16.03.2×
  35. 35Konstancin-JeziornaMazovia
    15.83.2×
  36. 35BiałystokPodlasie
    15.83.2×
  37. 35BrzegOpole Voivodeship
    15.83.2×
  38. 38RacibórzSilesia
    15.53.1×
  39. 38KościerzynaPomerania
    15.53.1×
  40. 40WarsawMazovia
    15.43.1×
  41. 41KielceŚwiętokrzyskie
    15.33.1×
  42. 42Zielona GóraLubusz
    15.23.0×
  43. 42KatowiceSilesia
    15.23.0×
  44. 44Jelenia GóraLower Silesia
    15.03.0×
  45. 45Kędzierzyn-KoźleOpole Voivodeship
    14.93.0×
  46. 46PłockMazovia
    14.83.0×
  47. 47SzczecinWest Pomerania
    14.12.8×
  48. 48SuwałkiPodlasie
    14.02.8×
  49. 49KołobrzegWest Pomerania
    13.12.6×
  50. 50ElblągWarmia-Masuria
    12.52.5×
  51. 51OlsztynWarmia-Masuria
    12.22.4×
Good0–9.0
Moderate9.1–35.4
Sensitive groups35.5–55.4
Unhealthy55.5–125.4
Very unhealthy125.5–225.4
Hazardous225.5+

All cities in the world, 2026 · Poland now