SmogRank / Countries / Norway / January 2025

Most polluted cities in Norway, January 2025

16 cities in Norway ranked by their average PM2.5 over the 31 days. Worst: Lillehammer at 16.1 µg/m³, #235 of 1,931 cities in the world. Cleanest: Bodø at 3.5. A city needs measurements on 70% of the days to be ranked.

  1. 1LillehammerInnlandet
    16.1
  2. 2PorsgrunnTelemark
    15.1
  3. 3DrammenBuskerud
    13.9
  4. 4LillestrømAkershus
    12.8
  5. 5KristiansandAgder
    11.7
  6. 6SarpsborgØstfold
    11.6
  7. 7FredrikstadØstfold
    11.3
  8. 8GjøvikInnlandet
    9.5
  9. 9OsloOslo
    9.4
  10. 10MossØstfold
    8.4
  11. 11BergenVestland
    8.2
  12. 12Mo i RanaNordland
    8.1
  13. 13NesttunVestland
    7.5
  14. 14TrondheimTrøndelag
    5.7
  15. 15ÅsaneVestland
    5.4
  16. 16BodøNordland
    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, January 2025 · Norway now

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SmogRank, most polluted cities in Norway, PM2.5, January 2025, smogrank.com/no/history/2025-01 (accessed 2 Oct 2026).

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