SmogRank / Countries / Latvia / January 2026

Most polluted cities in Latvia, January 2026

4 cities in Latvia ranked by their average PM2.5 over the 31 days. Worst: Rēzekne at 25.9 µg/m³, #163 of 2,047 cities in the world. Cleanest: Riga at 18.9. A city needs measurements on 70% of the days to be ranked.

  1. 1RēzekneRēzekne
    25.9
  2. 2VentspilsVentspils
    21.3
  3. 3LiepājaLiepaja
    19.4
  4. 4RigaRiga
    18.9
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, January 2026 · Latvia now

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SmogRank, most polluted cities in Latvia, PM2.5, January 2026, smogrank.com/lv/history/2026-01 (accessed 2 Oct 2026).

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