SmogRank / Countries / Slovakia / July 2024

Most polluted cities in Slovakia, July 2024

31 cities in Slovakia ranked by their average PM2.5 over the 31 days. Worst: Komárno at 16.8 µg/m³, #68 of 2,047 cities in the world. Cleanest: Malacky at 7.5. A city needs measurements on 70% of the days to be ranked.

  1. 1KomárnoNitra Region
    16.8
  2. 2PúchovTrenčín Region
    16.2
  3. 3PrešovPrešov Region
    15.4
  4. 4NitraNitra Region
    14.8
  5. 5SereďTrnava Region
    14.7
  6. 6HumennéPrešov Region
    14.3
  7. 7TrebišovKošice Region
    14.0
  8. 7KošiceKošice Region
    14.0
  9. 9RužomberokŽilina Region
    12.5
  10. 9PezinokBratislava Region
    12.5
  11. 11LučenecBanská Bystrica Region
    12.4
  12. 12SenecBratislava Region
    12.2
  13. 12Liptovský Mikulᚎilina Region
    12.2
  14. 14Vranov nad TopľouPrešov Region
    12.1
  15. 14MartinŽilina Region
    12.1
  16. 16ŽilinaŽilina Region
    11.9
  17. 17TrenčínTrenčín Region
    11.8
  18. 18SninaPrešov Region
    11.6
  19. 18TrnavaTrnava Region
    11.6
  20. 18PrievidzaTrenčín Region
    11.6
  21. 18BratislavaBratislava Region
    11.6
  22. 22PopradPrešov Region
    11.3
  23. 23PartizánskeTrenčín Region
    11.2
  24. 24ČadcaŽilina Region
    10.6
  25. 25HandlováTrenčín Region
    10.5
  26. 26ZvolenBanská Bystrica Region
    10.4
  27. 27SenicaTrnava Region
    10.3
  28. 28Žiar nad HronomBanská Bystrica Region
    9.9
  29. 29Banská BystricaBanská Bystrica Region
    9.7
  30. 30BardejovPrešov Region
    8.3
  31. 31MalackyBratislava Region
    7.5
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 Slovakia, PM2.5, July 2024, smogrank.com/sk/history/2024-07 (accessed 2 Oct 2026).

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