SmogRank / Countries / Estonia / January 2026

Most polluted cities in Estonia, January 2026

3 cities in Estonia ranked by their average PM2.5 over the 31 days. Worst: Tartu at 10.2 µg/m³, #744 of 2,047 cities in the world. Cleanest: Tallinn at 8.7. A city needs measurements on 70% of the days to be ranked.

  1. 1TartuTartu
    10.2
  2. 2NarvaIda-Virumaa
    10.1
  3. 3TallinnHarjumaa
    8.7
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, January 2026 · Estonia now