SmogRank / Countries / Latvia / May 2025

Most polluted cities in Latvia, May 2025

4 cities in Latvia ranked by their average PM2.5 over the 31 days. Worst: Liepāja at 10.5 µg/m³, #474 of 2,193 cities in the world. Cleanest: Riga at 6.9. A city needs measurements on 70% of the days to be ranked.

  1. 1LiepājaLiepaja
    10.5
  2. 2VentspilsVentspils
    8.5
  3. 3RēzekneRēzekne
    8.0
  4. 4RigaRiga
    6.9
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, May 2025 · Latvia now