SmogRank / Countries / Estonia / 2025

Most polluted cities in Estonia, 2025

4 cities in Estonia ranked by their average PM2.5 over the 365 days; 1 above the WHO annual guideline (5.0 µg/m³). Worst: Tartu at 5.2 µg/m³, #2,007 of 2,131 cities in the world. Cleanest: Tallinn at 3.8. A city needs measurements on 70% of the days to be ranked.

  1. 1TartuTartu
    5.21.0×
  2. 2NarvaIda-Virumaa
    4.30.9×
  3. 3Kohtla-JärveIda-Virumaa
    3.90.8×
  4. 4TallinnHarjumaa
    3.80.8×
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, 2025 · Estonia now