SmogRank / World / Estonia / October 2026

Most polluted cities in Estonia, October 2026

4 cities in Estonia ranked by their average PM2.5 so far (1 of 31 days). Worst: Tartu at 5.0 µg/m³, #1,276 of 1,630 cities in the world. Cleanest: Kohtla-Järve at 2.7. A city needs measurements on 70% of the days to be ranked.

← Tartu 5.0 µg/m³ 20 µg/m³0
Every city in Estonia ranked for October 2026, one column each, worst on the left and cleanest on the right; height is PM2.5 in µg/m³. Point at it to read a city; tap to open it.
  1. 1TartuTartu
    28
  2. 2TallinnHarjumaa
    23
  3. 3NarvaIda-Virumaa
    20
  4. 4Kohtla-JärveIda-Virumaa
    15
Good0–50
Moderate51–100
Sensitive groups101–150
Unhealthy151–200
Very unhealthy201–300
Hazardous301+

The US EPA's Air Quality Index for PM2.5 (2024 breakpoints). Show values as: µg/m³ · US AQI · India AQI · China AQI · European AQI · UK DAQI · Canada AQHI+. About the scales

All cities in the world, October 2026 · Estonia now

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SmogRank, most polluted cities in Estonia, PM2.5, October 2026 (so far), smogrank.com/ee/history/2026-10 (accessed 2 Oct 2026).

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