SmogRank / Countries / Finland / April 2025

Most polluted cities in Finland, April 2025

12 cities in Finland ranked by their average PM2.5 over the 30 days. Worst: Myyrmäki at 6.8 µg/m³, #1,610 of 2,286 cities in the world. Cleanest: Klaukkala at 3.0. A city needs measurements on 70% of the days to be ranked.

  1. 1MyyrmäkiUusimaa
    6.8
  2. 2KuopioNorth Savo
    6.5
  3. 3JyväskyläCentral Finland
    6.2
  4. 4LahtiPaijat-Hame
    5.6
  5. 5LappeenrantaSouth Karelia
    5.5
  6. 5HelsinkiUusimaa
    5.5
  7. 7VantaaUusimaa
    5.0
  8. 8LohjaUusimaa
    4.6
  9. 9PoriSatakunta
    4.5
  10. 10OuluNorth Ostrobothnia
    4.2
  11. 11TamperePirkanmaa
    3.8
  12. 12KlaukkalaUusimaa
    3.0
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 2025 · Finland now