SmogRank / Countries / Slovakia / July 2025

Most polluted cities in Slovakia, July 2025

32 cities in Slovakia ranked by their average PM2.5 over the 31 days. Worst: Prešov at 12.2 µg/m³, #579 of 2,283 cities in the world. Cleanest: Devínska Nová Ves at 5.7. A city needs measurements on 70% of the days to be ranked.

  1. 1PrešovPrešov Region
    12.2
  2. 2TrebišovKošice Region
    10.6
  3. 2KošiceKošice Region
    10.6
  4. 4SereďTrnava Region
    10.3
  5. 5PezinokBratislava Region
    10.2
  6. 6BardejovPrešov Region
    10.1
  7. 7TrnavaTrnava Region
    9.9
  8. 8SenecBratislava Region
    9.6
  9. 8Liptovský Mikulᚎilina Region
    9.6
  10. 10PúchovTrenčín Region
    9.4
  11. 11HumennéPrešov Region
    9.3
  12. 11ZvolenBanská Bystrica Region
    9.3
  13. 11RužomberokŽilina Region
    9.3
  14. 11LučenecBanská Bystrica Region
    9.3
  15. 15Vranov nad TopľouPrešov Region
    9.2
  16. 16MartinŽilina Region
    9.1
  17. 17NitraNitra Region
    9.0
  18. 18Žiar nad HronomBanská Bystrica Region
    8.9
  19. 19ŽilinaŽilina Region
    8.8
  20. 20SninaPrešov Region
    8.5
  21. 21ČadcaŽilina Region
    8.4
  22. 22SenicaTrnava Region
    8.3
  23. 22BratislavaBratislava Region
    8.3
  24. 24PartizánskeTrenčín Region
    8.2
  25. 24MalackyBratislava Region
    8.2
  26. 26TrenčínTrenčín Region
    8.1
  27. 27PrievidzaTrenčín Region
    7.9
  28. 27KomárnoNitra Region
    7.9
  29. 27HandlováTrenčín Region
    7.9
  30. 30PopradPrešov Region
    7.7
  31. 31Banská BystricaBanská Bystrica Region
    7.1
  32. 32Devínska Nová VesBratislava Region
    5.7
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, July 2025 · Slovakia now