SmogRank / Countries / Czechia / August 2023

Most polluted cities in Czechia, August 2023

25 cities in Czechia ranked by their average PM2.5 over the 31 days. Worst: Český Těšín at 12.8 µg/m³, #174 of 1,670 cities in the world. Cleanest: Pilsen at 8.0. A city needs measurements on 70% of the days to be ranked.

  1. 1Český TěšínMoravian-Silesian Region
    12.8
  2. 2HavířovMoravian-Silesian Region
    12.3
  3. 3MostÚstí nad Labem Region
    11.7
  4. 4OstravaMoravian-Silesian Region
    11.5
  5. 4Frýdek-MístekMoravian-Silesian Region
    11.5
  6. 6LitvínovÚstí nad Labem Region
    11.4
  7. 7KadaňÚstí nad Labem Region
    11.3
  8. 8OlomoucOlomouc Region
    10.9
  9. 8BohumínMoravian-Silesian Region
    10.9
  10. 10Hradec KrálovéHradec Králové Region
    10.8
  11. 11TřinecMoravian-Silesian Region
    10.6
  12. 11TepliceÚstí nad Labem Region
    10.6
  13. 13ZlínZlín
    10.5
  14. 13PřerovOlomouc Region
    10.5
  15. 13KroměřížZlín
    10.5
  16. 16ZnojmoSouth Moravian
    10.0
  17. 17Mladá BoleslavCentral Bohemia
    9.9
  18. 18ŽideniceSouth Moravian
    9.8
  19. 19LiberecLiberec Region
    9.7
  20. 20PardubicePardubice Region
    9.2
  21. 20BrnoSouth Moravian
    9.2
  22. 22České BudějoviceSouth Bohemian Region
    8.8
  23. 23SokolovCarlsbad Region
    8.6
  24. 24Ústí nad LabemÚstí nad Labem Region
    8.4
  25. 25PilsenPlzeň Region
    8.0
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 2023 · Czechia now