SmogRank / Countries / Slovakia / December 2025

Most polluted cities in Slovakia, December 2025

10 cities in Slovakia ranked by their average PM2.5 over the 31 days. Worst: Vranov nad Topľou at 19.9 µg/m³, #353 of 2,360 cities in the world. Cleanest: Poprad at 9.1. A city needs measurements on 70% of the days to be ranked.

  1. 1Vranov nad TopľouPrešov Region
    19.9
  2. 2MalackyBratislava Region
    15.4
  3. 3ZvolenBanská Bystrica Region
    14.3
  4. 4SenicaTrnava Region
    14.2
  5. 5NitraNitra Region
    13.9
  6. 6Devínska Nová VesBratislava Region
    13.7
  7. 7BratislavaBratislava Region
    12.4
  8. 8SninaPrešov Region
    11.0
  9. 9HandlováTrenčín Region
    10.9
  10. 10PopradPrešov Region
    9.1
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 2025 · Slovakia now