SmogRank / Countries / Latvia / August 2025

Most polluted cities in Latvia, August 2025

4 cities in Latvia ranked by their average PM2.5 over the 31 days. Worst: Liepāja at 7.0 µg/m³, #1,713 of 2,289 cities in the world. Cleanest: Riga at 5.0. A city needs measurements on 70% of the days to be ranked.

  1. 1LiepājaLiepaja
    7.0
  2. 2VentspilsVentspils
    6.5
  3. 3RēzekneRēzekne
    5.9
  4. 4RigaRiga
    5.0
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, August 2025 · Latvia now

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SmogRank, most polluted cities in Latvia, PM2.5, August 2025, smogrank.com/lv/history/2025-08 (accessed 2 Oct 2026).

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