SmogRank / Countries / Czechia / December 2024

Most polluted cities in Czechia, December 2024

32 cities in Czechia ranked by their average PM2.5 over the 31 days. Worst: Ostrava at 32.3 µg/m³, #63 of 2,078 cities in the world. Cleanest: Sokolov at 8.1. A city needs measurements on 70% of the days to be ranked.

  1. 1OstravaMoravian-Silesian Region
    32.3
  2. 2HavířovMoravian-Silesian Region
    29.7
  3. 3BohumínMoravian-Silesian Region
    28.9
  4. 4Frýdek-MístekMoravian-Silesian Region
    27.4
  5. 5Valašské MeziříčíZlín
    23.7
  6. 6PřerovOlomouc Region
    23.2
  7. 7ZlínZlín
    22.0
  8. 7TřinecMoravian-Silesian Region
    22.0
  9. 9Český TěšínMoravian-Silesian Region
    21.8
  10. 10OpavaMoravian-Silesian Region
    21.1
  11. 11OlomoucOlomouc Region
    20.7
  12. 12NáchodHradec Králové Region
    20.5
  13. 13ZnojmoSouth Moravian
    18.9
  14. 14KroměřížZlín
    17.7
  15. 15BrnoSouth Moravian
    17.3
  16. 16BerounCentral Bohemia
    17.2
  17. 17TepliceÚstí nad Labem Region
    16.8
  18. 18ŽideniceSouth Moravian
    16.3
  19. 18DěčínÚstí nad Labem Region
    16.3
  20. 20České BudějoviceSouth Bohemian Region
    15.5
  21. 21LitvínovÚstí nad Labem Region
    15.2
  22. 22Mladá BoleslavCentral Bohemia
    14.9
  23. 23PilsenPlzeň Region
    14.7
  24. 24Hradec KrálovéHradec Králové Region
    14.0
  25. 25KladnoCentral Bohemia
    13.9
  26. 26PraguePrague
    13.8
  27. 27Ústí nad LabemÚstí nad Labem Region
    13.6
  28. 28PardubicePardubice Region
    12.9
  29. 29LiberecLiberec Region
    11.3
  30. 30MostÚstí nad Labem Region
    11.1
  31. 31KadaňÚstí nad Labem Region
    9.1
  32. 32SokolovCarlsbad Region
    8.1
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, December 2024 · Czechia now