SmogRank / World / Czechia / April 2024

Most polluted cities in Czechia, April 2024

32 cities in Czechia ranked by their average PM2.5 over the 30 days. Worst: Český Těšín at 13.2 µg/m³, #280 of 1,941 cities in the world. Cleanest: Sokolov at 6.0. A city needs measurements on 70% of the days to be ranked.

← Český Těšín 13.2 µg/m³ 20 µg/m³0
Every city in Czechia ranked for April 2024, one column each, worst on the left and cleanest on the right; height is PM2.5 in µg/m³. Point at it to read a city; tap to open it.
  1. 1Český TěšínMoravian-Silesian Region
    59
  2. 2HavířovMoravian-Silesian Region
    58
  3. 3BohumínMoravian-Silesian Region
    58
  4. 4TřinecMoravian-Silesian Region
    57
  5. 4DěčínÚstí nad Labem Region
    57
  6. 6OstravaMoravian-Silesian Region
    57
  7. 7NáchodHradec Králové Region
    56
  8. 8Frýdek-MístekMoravian-Silesian Region
    56
  9. 9Valašské MeziříčíZlín
    55
  10. 10PřerovOlomouc Region
    55
  11. 10OpavaMoravian-Silesian Region
    55
  12. 12OlomoucOlomouc Region
    54
  13. 13PardubicePardubice Region
    52
  14. 14BerounCentral Bohemia
    51
  15. 15ZlínZlín
    51
  16. 15KladnoCentral Bohemia
    51
  17. 15Hradec KrálovéHradec Králové Region
    51
  18. 18Mladá BoleslavCentral Bohemia
    49
  19. 19TepliceÚstí nad Labem Region
    48
  20. 19PraguePrague
    48
  21. 21ZnojmoSouth Moravian
    47
  22. 22LiberecLiberec Region
    47
  23. 23LitvínovÚstí nad Labem Region
    46
  24. 23BrnoSouth Moravian
    46
  25. 25České BudějoviceSouth Bohemian Region
    45
  26. 26Ústí nad LabemÚstí nad Labem Region
    44
  27. 26MostÚstí nad Labem Region
    44
  28. 28PilsenPlzeň Region
    42
  29. 28KroměřížZlín
    42
  30. 30KadaňÚstí nad Labem Region
    39
  31. 31ŽideniceSouth Moravian
    34
  32. 32SokolovCarlsbad Region
    33
Good0–50
Moderate51–100
Sensitive groups101–150
Unhealthy151–200
Very unhealthy201–300
Hazardous301+

The US EPA's Air Quality Index for PM2.5 (2024 breakpoints). Show values as: µg/m³ · US AQI · India AQI · China AQI · European AQI · UK DAQI · Canada AQHI+. About the scales

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SmogRank, most polluted cities in Czechia, PM2.5, April 2024, smogrank.com/cz/history/2024-04 (accessed 2 Oct 2026).

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