SmogRank / World / Latvia / March 2026

Most polluted cities in Latvia, March 2026

4 cities in Latvia ranked by their average PM2.5 over the 31 days. Worst: Liepāja at 23.4 µg/m³, #474 of 2,616 cities in the world. Cleanest: Riga at 16.0. A city needs measurements on 70% of the days to be ranked.

← Liepāja 23.4 µg/m³ 20 µg/m³0
Every city in Latvia ranked for March 2026, one column each, worst on the left and cleanest on the right; height is PM2.5 in µg/m³. Point at it to read a city; tap to open it.
  1. 1LiepājaLiepaja
    3
  2. 2RēzekneRēzekne
    3
  3. 3VentspilsVentspils
    3
  4. 4RigaRiga
    2
Low risk1–3
Moderate risk4–6
High risk7–10
Very high risk10+

Canada's AQHI+ for PM2.5 (1 point per 10 µg/m³), which is defined on hourly values. 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 2026 · Latvia now

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

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