SmogRank / Countries / Norway / January 2023

Most polluted cities in Norway, January 2023

16 cities in Norway ranked by their average PM2.5 over the 31 days. Worst: Drammen at 15.3 µg/m³, #125 of 849 cities in the world. Cleanest: Bodø at 2.5. A city needs measurements on 70% of the days to be ranked.

  1. 1DrammenBuskerud
    15.3
  2. 2LillestrømAkershus
    11.0
  3. 3OsloOslo
    10.8
  4. 4SarpsborgØstfold
    10.2
  5. 5PorsgrunnTelemark
    9.7
  6. 6GjøvikInnlandet
    9.5
  7. 7LillehammerInnlandet
    9.3
  8. 8BergenVestland
    8.2
  9. 9KristiansandAgder
    8.1
  10. 10MossØstfold
    7.5
  11. 11FredrikstadØstfold
    7.3
  12. 12NesttunVestland
    6.2
  13. 12Mo i RanaNordland
    6.2
  14. 14TrondheimTrøndelag
    5.1
  15. 15ÅsaneVestland
    3.9
  16. 16BodøNordland
    2.5
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 2023 · Norway now

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SmogRank, most polluted cities in Norway, PM2.5, January 2023, smogrank.com/no/history/2023-01 (accessed 2 Oct 2026).

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