SmogRank / Countries / Latvia / May 2026

Most polluted cities in Latvia, May 2026

3 cities in Latvia ranked by their average PM2.5 over the 31 days. Worst: Rēzekne at 9.1 µg/m³, #640 of 2,243 cities in the world. Cleanest: Riga at 5.3. A city needs measurements on 70% of the days to be ranked.

  1. 1RēzekneRēzekne
    9.1
  2. 2VentspilsVentspils
    5.8
  3. 3RigaRiga
    5.3
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 2026 · Latvia now