SmogRank / Countries / Latvia / December 2025

Most polluted cities in Latvia, December 2025

4 cities in Latvia ranked by their average PM2.5 over the 31 days. Worst: Liepāja at 14.4 µg/m³, #486 of 2,360 cities in the world. Cleanest: Riga at 8.1. A city needs measurements on 70% of the days to be ranked.

  1. 1LiepājaLiepaja
    14.4
  2. 2VentspilsVentspils
    12.1
  3. 3RēzekneRēzekne
    9.2
  4. 4RigaRiga
    8.1
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, December 2025 · Latvia now