SmogRank / World / Finland / February 2025
Most polluted cities in Finland, February 2025
11 cities in Finland ranked by their average PM2.5 over the 28 days. Worst: Pori at 9.1 µg/m³, #1,192 of 2,264 cities in the world. Cleanest: Tampere at 4.9. A city needs measurements on 70% of the days to be ranked.
← Pori 9.1
Good0–9.0
Moderate9.1–35.4
Sensitive groups35.5–55.4
Unhealthy55.5–125.4
Very unhealthy125.5–225.4
Hazardous225.5+
PM2.5 in µg/m³, coloured by the US EPA's PM2.5 categories. Show values as: µg/m³ · US AQI · India AQI · China AQI · European AQI · UK DAQI · Canada AQHI+. About the scales
All cities in the world, February 2025 · Finland now
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SmogRank, most polluted cities in Finland, PM2.5, February 2025, smogrank.com/fi/history/2025-02 (accessed 2 Oct 2026).
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