SmogRank / Countries / Slovakia / June 2025

Most polluted cities in Slovakia, June 2025

19 cities in Slovakia ranked by their average PM2.5 over the 30 days. Worst: Prešov at 15.1 µg/m³, #243 of 1,912 cities in the world. Cleanest: Devínska Nová Ves at 6.4. A city needs measurements on 70% of the days to be ranked.

  1. 1PrešovPrešov Region
    15.1
  2. 2PezinokBratislava Region
    13.7
  3. 3TrenčínTrenčín Region
    12.8
  4. 4KošiceKošice Region
    12.3
  5. 5TrebišovKošice Region
    11.7
  6. 6HumennéPrešov Region
    11.6
  7. 7PúchovTrenčín Region
    11.4
  8. 8TrnavaTrnava Region
    11.2
  9. 8Liptovský Mikulᚎilina Region
    11.2
  10. 10BardejovPrešov Region
    11.0
  11. 10BratislavaBratislava Region
    11.0
  12. 12MartinŽilina Region
    10.9
  13. 13SenicaTrnava Region
    10.8
  14. 14ŽilinaŽilina Region
    10.7
  15. 14Žiar nad HronomBanská Bystrica Region
    10.7
  16. 16PopradPrešov Region
    10.4
  17. 17SereďTrnava Region
    10.3
  18. 18RužomberokŽilina Region
    10.2
  19. 19Devínska Nová VesBratislava Region
    6.4
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, June 2025 · Slovakia now