SmogRank / Countries / Estonia / April 2025

Most polluted cities in Estonia, April 2025

4 cities in Estonia ranked by their average PM2.5 over the 30 days. Worst: Narva at 4.1 µg/m³, #2,148 of 2,286 cities in the world. Cleanest: Kohtla-Järve at 2.6. A city needs measurements on 70% of the days to be ranked.

  1. 1NarvaIda-Virumaa
    4.1
  2. 2TartuTartu
    3.7
  3. 3TallinnHarjumaa
    3.3
  4. 4Kohtla-JärveIda-Virumaa
    2.6
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, April 2025 · Estonia now