SmogRank / Countries / Czechia / July 2024

Most polluted cities in Czechia, July 2024

31 cities in Czechia ranked by their average PM2.5 over the 31 days. Worst: Havířov at 12.6 µg/m³, #230 of 2,047 cities in the world. Cleanest: Sokolov at 6.2. A city needs measurements on 70% of the days to be ranked.

  1. 1HavířovMoravian-Silesian Region
    12.6
  2. 2TřinecMoravian-Silesian Region
    12.5
  3. 2OstravaMoravian-Silesian Region
    12.5
  4. 4Frýdek-MístekMoravian-Silesian Region
    12.2
  5. 4Český TěšínMoravian-Silesian Region
    12.2
  6. 6Valašské MeziříčíZlín
    11.5
  7. 7PřerovOlomouc Region
    11.3
  8. 8OlomoucOlomouc Region
    10.9
  9. 9OpavaMoravian-Silesian Region
    10.0
  10. 10Mladá BoleslavCentral Bohemia
    9.9
  11. 11MostÚstí nad Labem Region
    9.7
  12. 12ZnojmoSouth Moravian
    9.6
  13. 12Hradec KrálovéHradec Králové Region
    9.6
  14. 12DěčínÚstí nad Labem Region
    9.6
  15. 15PraguePrague
    9.5
  16. 15BohumínMoravian-Silesian Region
    9.5
  17. 17ŽideniceSouth Moravian
    9.2
  18. 17LitvínovÚstí nad Labem Region
    9.2
  19. 19TepliceÚstí nad Labem Region
    8.9
  20. 19BerounCentral Bohemia
    8.9
  21. 21KadaňÚstí nad Labem Region
    8.8
  22. 22LiberecLiberec Region
    8.7
  23. 22KladnoCentral Bohemia
    8.7
  24. 22České BudějoviceSouth Bohemian Region
    8.7
  25. 25PardubicePardubice Region
    8.6
  26. 25KroměřížZlín
    8.6
  27. 27BrnoSouth Moravian
    8.3
  28. 28Ústí nad LabemÚstí nad Labem Region
    8.2
  29. 29NáchodHradec Králové Region
    7.3
  30. 30PilsenPlzeň Region
    6.8
  31. 31SokolovCarlsbad Region
    6.2
Good0–9.0
Moderate9.1–35.4
Sensitive groups35.5–55.4
Unhealthy55.5–125.4
Very unhealthy125.5–225.4
Hazardous225.5+

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SmogRank, most polluted cities in Czechia, PM2.5, July 2024, smogrank.com/cz/history/2024-07 (accessed 2 Oct 2026).

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