SmogRank / Countries / Norway / April 2026

Most polluted cities in Norway, April 2026

14 cities in Norway ranked by their average PM2.5 over the 30 days. Worst: Lillehammer at 6.8 µg/m³, #1,487 of 2,283 cities in the world. Cleanest: Åsane at 3.1. A city needs measurements on 70% of the days to be ranked.

  1. 1LillehammerInnlandet
    6.8
  2. 2PorsgrunnTelemark
    6.6
  3. 3MossØstfold
    6.4
  4. 4SarpsborgØstfold
    6.1
  5. 5FredrikstadØstfold
    5.7
  6. 6Mo i RanaNordland
    5.5
  7. 6BodøNordland
    5.5
  8. 8DrammenBuskerud
    5.1
  9. 9OsloOslo
    5.0
  10. 10TrondheimTrøndelag
    4.7
  11. 11GjøvikInnlandet
    4.2
  12. 12NesttunVestland
    3.7
  13. 12BergenVestland
    3.7
  14. 14ÅsaneVestland
    3.1
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, April 2026 · Norway now

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SmogRank, most polluted cities in Norway, PM2.5, April 2026, smogrank.com/no/history/2026-04 (accessed 2 Oct 2026).

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