SmogRank / Countries / Estonia / March 2026

Most polluted cities in Estonia, March 2026

4 cities in Estonia ranked by their average PM2.5 over the 31 days. Worst: Tartu at 9.2 µg/m³, #1,408 of 2,332 cities in the world. Cleanest: Kohtla-Järve at 5.7. A city needs measurements on 70% of the days to be ranked.

  1. 1TartuTartu
    9.2
  2. 2NarvaIda-Virumaa
    6.8
  3. 3TallinnHarjumaa
    6.3
  4. 4Kohtla-JärveIda-Virumaa
    5.7
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, March 2026 · Estonia now