SmogRank / Countries / Czechia / May 2024

Most polluted cities in Czechia, May 2024

32 cities in Czechia ranked by their average PM2.5 over the 31 days. Worst: Kladno at 11.0 µg/m³, #312 of 2,082 cities in the world. Cleanest: Sokolov at 6.1. A city needs measurements on 70% of the days to be ranked.

  1. 1KladnoCentral Bohemia
    11.0
  2. 2OstravaMoravian-Silesian Region
    10.7
  3. 2HavířovMoravian-Silesian Region
    10.7
  4. 4Český TěšínMoravian-Silesian Region
    10.5
  5. 5DěčínÚstí nad Labem Region
    10.0
  6. 6BohumínMoravian-Silesian Region
    9.8
  7. 7OlomoucOlomouc Region
    9.6
  8. 7Frýdek-MístekMoravian-Silesian Region
    9.6
  9. 9Valašské MeziříčíZlín
    9.4
  10. 9TřinecMoravian-Silesian Region
    9.4
  11. 11Hradec KrálovéHradec Králové Region
    9.3
  12. 12PraguePrague
    9.1
  13. 12PardubicePardubice Region
    9.1
  14. 12OpavaMoravian-Silesian Region
    9.1
  15. 15PřerovOlomouc Region
    9.0
  16. 16Ústí nad LabemÚstí nad Labem Region
    8.9
  17. 16Mladá BoleslavCentral Bohemia
    8.9
  18. 18TepliceÚstí nad Labem Region
    8.8
  19. 19LitvínovÚstí nad Labem Region
    8.7
  20. 20KadaňÚstí nad Labem Region
    8.6
  21. 20BerounCentral Bohemia
    8.6
  22. 22ZnojmoSouth Moravian
    8.4
  23. 23NáchodHradec Králové Region
    8.3
  24. 24MostÚstí nad Labem Region
    8.0
  25. 25ZlínZlín
    7.8
  26. 26ŽideniceSouth Moravian
    7.6
  27. 26LiberecLiberec Region
    7.6
  28. 28České BudějoviceSouth Bohemian Region
    7.1
  29. 29BrnoSouth Moravian
    7.0
  30. 30PilsenPlzeň Region
    6.4
  31. 31KroměřížZlín
    6.3
  32. 32SokolovCarlsbad Region
    6.1
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, May 2024 · Czechia now