SmogRank / Countries / Finland / June 2026

Most polluted cities in Finland, June 2026

11 cities in Finland ranked by their average PM2.5 over the 30 days. Worst: Helsinki at 6.6 µg/m³, #1,206 of 1,918 cities in the world. Cleanest: Jyväskylä at 3.8. A city needs measurements on 70% of the days to be ranked.

  1. 1HelsinkiUusimaa
    6.6
  2. 2MyyrmäkiUusimaa
    5.8
  3. 3VantaaUusimaa
    5.3
  4. 4LohjaUusimaa
    5.0
  5. 5LappeenrantaSouth Karelia
    4.9
  6. 6LahtiPaijat-Hame
    4.5
  7. 6KlaukkalaUusimaa
    4.5
  8. 8KuopioNorth Savo
    4.2
  9. 9TamperePirkanmaa
    3.9
  10. 9OuluNorth Ostrobothnia
    3.9
  11. 11JyväskyläCentral Finland
    3.8
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, June 2026 · Finland now