SmogRank / Countries / Estonia / March 2025

Most polluted cities in Estonia, March 2025

4 cities in Estonia ranked by their average PM2.5 over the 31 days. Worst: Tartu at 6.1 µg/m³, #1,760 of 2,218 cities in the world. Cleanest: Kohtla-Järve at 2.4. A city needs measurements on 70% of the days to be ranked.

  1. 1TartuTartu
    6.1
  2. 2TallinnHarjumaa
    4.6
  3. 3NarvaIda-Virumaa
    4.1
  4. 4Kohtla-JärveIda-Virumaa
    2.4
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, March 2025 · Estonia now