SmogRank / World / Slovakia / December 2023

Most polluted cities in Slovakia, December 2023

22 cities in Slovakia ranked by their average PM2.5 over the 31 days. Worst: Spišská Nová Ves at 36.5 µg/m³, #43 of 1,889 cities in the world. Cleanest: Poprad at 8.4. A city needs measurements on 70% of the days to be ranked.

← Spišská Nová Ves 36.5
Every city in Slovakia ranked for December 2023, one column each, worst on the left and cleanest on the right. Point at it to read a city; tap to open it.
  1. 1Spišská Nová VesKošice Region
    103
  2. 2HumennéPrešov Region
    81
  3. 3ŽilinaŽilina Region
    80
  4. 4RužomberokŽilina Region
    79
  5. 5MartinŽilina Region
    75
  6. 6PrešovPrešov Region
    74
  7. 7KošiceKošice Region
    74
  8. 7Banská BystricaBanská Bystrica Region
    74
  9. 9PrievidzaTrenčín Region
    73
  10. 10ZvolenBanská Bystrica Region
    73
  11. 11PartizánskeTrenčín Region
    73
  12. 12TrenčínTrenčín Region
    69
  13. 12HandlováTrenčín Region
    69
  14. 14Vranov nad TopľouPrešov Region
    69
  15. 15TrnavaTrnava Region
    66
  16. 16NitraNitra Region
    64
  17. 17Žiar nad HronomBanská Bystrica Region
    63
  18. 18SenicaTrnava Region
    62
  19. 19Karlova VesBratislava Region
    61
  20. 20BratislavaBratislava Region
    61
  21. 21SninaPrešov Region
    56
  22. 22PopradPrešov Region
    47
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

All cities in the world, December 2023 · Slovakia now

Use this board

SmogRank, most polluted cities in Slovakia, PM2.5, December 2023, smogrank.com/sk/history/2023-12 (accessed 2 Oct 2026).

Download top 10 (PNG)

You're welcome to reuse a single chart, image or figure with this citation and a link. Terms.