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 µg/m³ 20 µg/m³0
Every city in Finland ranked for February 2025, one column each, worst on the left and cleanest on the right; height is PM2.5 in µg/m³. Point at it to read a city; tap to open it.
  1. 1PoriSatakunta
    9.1
  2. 2MyyrmäkiUusimaa
    8.9
  3. 3HelsinkiUusimaa
    8.5
  4. 4VantaaUusimaa
    8.4
  5. 5LohjaUusimaa
    8.3
  6. 6LappeenrantaSouth Karelia
    7.9
  7. 7KlaukkalaUusimaa
    6.9
  8. 8LahtiPaijat-Hame
    6.6
  9. 9OuluNorth Ostrobothnia
    6.2
  10. 10JyväskyläCentral Finland
    5.9
  11. 11TamperePirkanmaa
    4.9
Good0–5
Fair6–15
Moderate16–50
Poor51–90
Very poor91–140
Extremely poor141+

The European Environment Agency's air quality index bands for PM2.5 (2024 revision); it has bands, not numbers, so values stay in µg/m³. 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

Use this board

SmogRank, most polluted cities in Finland, PM2.5, February 2025, smogrank.com/fi/history/2025-02 (accessed 2 Oct 2026).

Download top 10 (PNG)

You're welcome to reuse a single chart, image or figure with this citation and a link. Terms.