SmogRank / Countries / Finland / September 2023

Most polluted cities in Finland, September 2023

9 cities in Finland ranked by their average PM2.5 over the 30 days. Worst: Helsinki at 6.1 µg/m³, #1,488 of 1,830 cities in the world. Cleanest: Vaasa at 3.1. A city needs measurements on 70% of the days to be ranked.

  1. 1HelsinkiUusimaa
    6.1
  2. 2MyyrmäkiUusimaa
    6.0
  3. 3VantaaUusimaa
    5.6
  4. 4LahtiPaijat-Hame
    5.3
  5. 4KlaukkalaUusimaa
    5.3
  6. 6LappeenrantaSouth Karelia
    4.6
  7. 7TamperePirkanmaa
    4.5
  8. 8OuluNorth Ostrobothnia
    4.2
  9. 9VaasaOstrobothnia
    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, September 2023 · Finland now