SmogRank / Countries / Finland / January 2024

Most polluted cities in Finland, January 2024

9 cities in Finland ranked by their average PM2.5 over the 31 days. Worst: Vantaa at 6.6 µg/m³, #1,384 of 1,960 cities in the world. Cleanest: Vaasa at 2.0. A city needs measurements on 70% of the days to be ranked.

  1. 1VantaaUusimaa
    6.6
  2. 2MyyrmäkiUusimaa
    6.3
  3. 3HelsinkiUusimaa
    5.8
  4. 4LappeenrantaSouth Karelia
    5.5
  5. 5OuluNorth Ostrobothnia
    4.9
  6. 6TamperePirkanmaa
    4.3
  7. 7LahtiPaijat-Hame
    4.2
  8. 8KlaukkalaUusimaa
    3.5
  9. 9VaasaOstrobothnia
    2.0
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, January 2024 · Finland now

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SmogRank, most polluted cities in Finland, PM2.5, January 2024, smogrank.com/fi/history/2024-01 (accessed 2 Oct 2026).

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