SmogRank / Countries / Estonia / January 2025

Most polluted cities in Estonia, January 2025

4 cities in Estonia ranked by their average PM2.5 over the 31 days. Worst: Tartu at 6.9 µg/m³, #1,360 of 1,937 cities in the world. Cleanest: Tallinn at 3.2. A city needs measurements on 70% of the days to be ranked.

  1. 1TartuTartu
    6.9
  2. 2Kohtla-JärveIda-Virumaa
    5.0
  3. 3NarvaIda-Virumaa
    4.1
  4. 4TallinnHarjumaa
    3.2
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 2025 · Estonia now

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SmogRank, most polluted cities in Estonia, PM2.5, January 2025, smogrank.com/ee/history/2025-01 (accessed 2 Oct 2026).

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