SmogRank / World / Latvia / March 2025

Most polluted cities in Latvia, March 2025

4 cities in Latvia ranked by their average PM2.5 over the 31 days. Worst: Liepāja at 23.4 µg/m³, #437 of 2,500 cities in the world. Cleanest: Riga at 14.5. A city needs measurements on 70% of the days to be ranked.

← Liepāja 23.4
Every city in Latvia ranked for March 2025, one column each, worst on the left and cleanest on the right. Point at it to read a city; tap to open it.
  1. 1LiepājaLiepaja
    34
  2. 2VentspilsVentspils
    26
  3. 3RēzekneRēzekne
    25
  4. 4RigaRiga
    21
Excellent0–50
Good51–100
Lightly polluted101–150
Moderately polluted151–200
Heavily polluted201–300
Severely polluted301+

China's Air Quality Index (HJ 633-2012), PM2.5 individual index. Show values as: µg/m³ · US AQI · India AQI · China AQI · European AQI · UK DAQI · Canada AQHI+. About the scales

All cities in the world, March 2025 · Latvia now

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SmogRank, most polluted cities in Latvia, PM2.5, March 2025, smogrank.com/lv/history/2025-03 (accessed 2 Oct 2026).

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