SmogRank / Countries / Estonia / 2026

Most polluted cities in Estonia, 2026

4 cities in Estonia ranked by their average PM2.5 so far (273 of 365 days); 2 above the WHO annual guideline (5.0 µg/m³). Worst: Tartu at 5.6 µg/m³, #2,020 of 2,181 cities in the world. Cleanest: Kohtla-Järve at 4.2. A city needs measurements on 70% of the days to be ranked.

  1. 1TartuTartu
    5.61.1×
  2. 2NarvaIda-Virumaa
    5.41.1×
  3. 3TallinnHarjumaa
    4.70.9×
  4. 4Kohtla-JärveIda-Virumaa
    4.20.8×
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, 2026 · Estonia now

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SmogRank, most polluted cities in Estonia, PM2.5, 2026 (so far), smogrank.com/ee/history/2026 (accessed 2 Oct 2026).

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