SmogRank / Countries / Estonia / August 2025

Most polluted cities in Estonia, August 2025

4 cities in Estonia ranked by their average PM2.5 over the 31 days. Worst: Kohtla-Järve at 3.8 µg/m³, #2,224 of 2,289 cities in the world. Cleanest: Tallinn at 2.7. A city needs measurements on 70% of the days to be ranked.

  1. 1Kohtla-JärveIda-Virumaa
    3.8
  2. 2NarvaIda-Virumaa
    2.9
  3. 3TartuTartu
    2.8
  4. 4TallinnHarjumaa
    2.7
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, August 2025 · Estonia now