SmogRank / Countries / Finland / June 2025

Most polluted cities in Finland, June 2025

3 cities in Finland ranked by their average PM2.5 over the 30 days. Worst: Lahti at 4.6 µg/m³, #1,790 of 1,903 cities in the world. Cleanest: Tampere at 4.0. A city needs measurements on 70% of the days to be ranked.

  1. 1LahtiPaijat-Hame
    4.6
  2. 2PoriSatakunta
    4.1
  3. 3TamperePirkanmaa
    4.0
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, June 2025 · Finland now

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SmogRank, most polluted cities in Finland, PM2.5, June 2025, smogrank.com/fi/history/2025-06 (accessed 2 Oct 2026).

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