SmogRank / Countries / Norway / February 2025

Most polluted cities in Norway, February 2025

17 cities in Norway ranked by their average PM2.5 over the 28 days. Worst: Hamar at 21.7 µg/m³, #310 of 2,012 cities in the world. Cleanest: Åsane at 3.5. A city needs measurements on 70% of the days to be ranked.

  1. 1HamarInnlandet
    21.7
  2. 2LillestrømAkershus
    16.7
  3. 3SarpsborgØstfold
    14.7
  4. 3DrammenBuskerud
    14.7
  5. 5FredrikstadØstfold
    14.2
  6. 6MossØstfold
    12.9
  7. 6LillehammerInnlandet
    12.9
  8. 8KristiansandAgder
    12.6
  9. 9PorsgrunnTelemark
    12.3
  10. 10GjøvikInnlandet
    10.8
  11. 11OsloOslo
    10.5
  12. 12Mo i RanaNordland
    8.1
  13. 13BergenVestland
    7.8
  14. 14NesttunVestland
    5.4
  15. 15TrondheimTrøndelag
    4.8
  16. 16BodøNordland
    3.9
  17. 17ÅsaneVestland
    3.5
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, February 2025 · Norway now