SmogRank / Countries / Latvia / 2025

Most polluted cities in Latvia, 2025

4 cities in Latvia ranked by their average PM2.5 over the 365 days; 4 above the WHO annual guideline (5.0 µg/m³). Worst: Liepāja at 12.8 µg/m³, #330 of 2,131 cities in the world. Cleanest: Riga at 8.5. A city needs measurements on 70% of the days to be ranked.

  1. 1LiepājaLiepaja
    12.82.6×
  2. 2VentspilsVentspils
    11.32.3×
  3. 3RēzekneRēzekne
    10.12.0×
  4. 4RigaRiga
    8.51.7×
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, 2025 · Latvia now