SmogRank / Countries / Poland / August 2025

Most polluted cities in Poland, August 2025

62 cities in Poland ranked by their average PM2.5 over the 31 days. Worst: Kalisz at 12.8 µg/m³, #436 of 2,289 cities in the world. Cleanest: Opole at 4.9. A city needs measurements on 70% of the days to be ranked.

  1. 1KaliszGreater Poland
    12.8
  2. 2Jastrzębie ZdrójSilesia
    11.9
  3. 3WrocławLower Silesia
    11.8
  4. 4Bielsko-BialaSilesia
    11.7
  5. 5ŁaskŁódź Voivodeship
    11.6
  6. 6NiskoSubcarpathia
    11.4
  7. 7Zielona GóraLubusz
    11.1
  8. 8RadomskoŁódź Voivodeship
    11.0
  9. 9KutnoŁódź Voivodeship
    10.8
  10. 9GdyniaPomerania
    10.8
  11. 11ToruńKujawsko-Pomorskie
    10.6
  12. 12PoznańGreater Poland
    10.2
  13. 12ŁódźŁódź Voivodeship
    10.2
  14. 14SopotPomerania
    10.1
  15. 15OtwockMazovia
    10.0
  16. 15JarosławSubcarpathia
    10.0
  17. 17ZamośćLublin
    9.8
  18. 18GdańskPomerania
    9.7
  19. 19PrzemyślSubcarpathia
    9.5
  20. 20RadomMazovia
    9.4
  21. 21Skarżysko-KamiennaŚwiętokrzyskie
    9.2
  22. 22KrakówLesser Poland
    9.1
  23. 22KłodzkoLower Silesia
    9.1
  24. 24StarachowiceŚwiętokrzyskie
    8.9
  25. 24MielecSubcarpathia
    8.9
  26. 24Czechowice-DziedziceSilesia
    8.9
  27. 27KołobrzegWest Pomerania
    8.7
  28. 28PruszkówMazovia
    8.6
  29. 28LublinLublin
    8.6
  30. 30DębicaSubcarpathia
    8.5
  31. 30WłocławekKujawsko-Pomorskie
    8.5
  32. 30KatowiceSilesia
    8.5
  33. 33KielceŚwiętokrzyskie
    8.4
  34. 34ŻywiecSilesia
    8.3
  35. 34SulechówLubusz
    8.3
  36. 36RacibórzSilesia
    8.2
  37. 37SzczecinWest Pomerania
    8.0
  38. 38Jelenia GóraLower Silesia
    7.8
  39. 39BydgoszczKujawsko-Pomorskie
    7.7
  40. 40ŻyrardówMazovia
    7.5
  41. 40WarsawMazovia
    7.5
  42. 40ŻaryLubusz
    7.5
  43. 43ElblągWarmia-Masuria
    7.4
  44. 44WawerMazovia
    7.3
  45. 44BiałystokPodlasie
    7.3
  46. 44Kędzierzyn-KoźleOpole Voivodeship
    7.3
  47. 47LegionowoMazovia
    7.2
  48. 48Konstancin-JeziornaMazovia
    7.0
  49. 48PłockMazovia
    7.0
  50. 50SuwałkiPodlasie
    6.9
  51. 50ŚwiecieKujawsko-Pomorskie
    6.9
  52. 52TarnówLesser Poland
    6.7
  53. 53OlsztynWarmia-Masuria
    6.6
  54. 54EłkWarmia-Masuria
    6.5
  55. 54Gorzów WielkopolskiLubusz
    6.5
  56. 54BrzegOpole Voivodeship
    6.5
  57. 57CiechanówMazovia
    6.4
  58. 58KościerzynaPomerania
    6.0
  59. 59KrosnoSubcarpathia
    5.6
  60. 60BytówPomerania
    5.4
  61. 61RzeszówSubcarpathia
    5.2
  62. 62OpoleOpole Voivodeship
    4.9
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, August 2025 · Poland now