SmogRank / Countries / Finland / December 2023

Most polluted cities in Finland, December 2023

9 cities in Finland ranked by their average PM2.5 over the 31 days. Worst: Lappeenranta at 6.8 µg/m³, #1,392 of 1,889 cities in the world. Cleanest: Vaasa at 4.4. A city needs measurements on 70% of the days to be ranked.

  1. 1LappeenrantaSouth Karelia
    6.8
  2. 2MyyrmäkiUusimaa
    6.4
  3. 3VantaaUusimaa
    6.2
  4. 4HelsinkiUusimaa
    6.0
  5. 5LahtiPaijat-Hame
    5.8
  6. 6TamperePirkanmaa
    5.3
  7. 7OuluNorth Ostrobothnia
    5.2
  8. 8KlaukkalaUusimaa
    4.9
  9. 9VaasaOstrobothnia
    4.4
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, December 2023 · Finland now

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SmogRank, most polluted cities in Finland, PM2.5, December 2023, smogrank.com/fi/history/2023-12 (accessed 2 Oct 2026).

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