SmogRank / Countries / Finland / March 2025
Most polluted cities in Finland, March 2025
10 cities in Finland ranked by their average PM2.5 over the 31 days. Worst: Myyrmäki at 12.0 µg/m³, #867 of 2,218 cities in the world. Cleanest: Tampere at 4.9. A city needs measurements on 70% of the days to be ranked.
Good0–9.0
Moderate9.1–35.4
Sensitive groups35.5–55.4
Unhealthy55.5–125.4
Very unhealthy125.5–225.4
Hazardous225.5+