SmogRank / Countries / Poland / July 2026
Most polluted cities in Poland, July 2026
57 cities in Poland ranked by their average PM2.5 over the 31 days. Worst: Kalisz at 11.9 µg/m³, #711 of 2,262 cities in the world. Cleanest: Opole at 3.8. A city needs measurements on 70% of the days to be ranked.
- 1KaliszGreater Poland 11.9
- 2RadomskoŁódź Voivodeship 10.7
- 2Jastrzębie ZdrójSilesia 10.7
- 4WrocławLower Silesia 10.6
- 4GdyniaPomerania 10.6
- 6OtwockMazovia 10.4
- 7ŁaskŁódź Voivodeship 10.1
- 8ŁódźŁódź Voivodeship 10.0
- 8Gorzów WielkopolskiLubusz 10.0
- 10GdańskPomerania 9.8
- 11RadomMazovia 9.6
- 12SopotPomerania 9.5
- 13ToruńKujawsko-Pomorskie 9.4
- 14StarachowiceŚwiętokrzyskie 9.2
- 15ZamośćLublin 8.9
- 16EłkWarmia-Masuria 8.7
- 16KrakówLesser Poland 8.7
- 18RzeszówSubcarpathia 8.4
- 18ZgierzŁódź Voivodeship 8.4
- 20PruszkówMazovia 8.3
- 20NiskoSubcarpathia 8.3
- 20KłodzkoLower Silesia 8.3
- 23KielceŚwiętokrzyskie 8.1
- 23ŻywiecSilesia 8.1
- 25LublinLublin 8.0
- 26KrosnoSubcarpathia 7.8
- 26JarosławSubcarpathia 7.8
- 26RacibórzSilesia 7.8
- 26BydgoszczKujawsko-Pomorskie 7.8
- 30BiałystokPodlasie 7.7
- 30KatowiceSilesia 7.7
- 32Czechowice-DziedziceSilesia 7.6
- 33BrzegOpole Voivodeship 7.5
- 34MielecSubcarpathia 7.3
- 34WłocławekKujawsko-Pomorskie 7.3
- 34Kędzierzyn-KoźleOpole Voivodeship 7.3
- 37Konstancin-JeziornaMazovia 7.2
- 37PoznańGreater Poland 7.2
- 39JasłoSubcarpathia 7.1
- 39Jelenia GóraLower Silesia 7.1
- 41DębicaSubcarpathia 7.0
- 41PłockMazovia 7.0
- 41KołobrzegWest Pomerania 7.0
- 44LegionowoMazovia 6.9
- 44Zielona GóraLubusz 6.9
- 46ŻaryLubusz 6.8
- 46KościerzynaPomerania 6.8
- 48WarsawMazovia 6.7
- 49CiechanówMazovia 6.6
- 50ElblągWarmia-Masuria 6.3
- 51TarnówLesser Poland 6.0
- 52SzczecinWest Pomerania 5.9
- 53SuwałkiPodlasie 5.8
- 54PrzemyślSubcarpathia 5.7
- 55OlsztynWarmia-Masuria 4.8
- 56ŻyrardówMazovia 4.7
- 57OpoleOpole Voivodeship 3.8
Good0–9.0
Moderate9.1–35.4
Sensitive groups35.5–55.4
Unhealthy55.5–125.4
Very unhealthy125.5–225.4
Hazardous225.5+