SmogRank / World / Latvia / July 2025

Most polluted cities in Latvia, July 2025

4 cities in Latvia ranked by their average PM2.5 over the 31 days. Worst: Liepāja at 8.6 µg/m³, #1,454 of 2,499 cities in the world. Cleanest: Riga at 6.9. A city needs measurements on 70% of the days to be ranked.

← Liepāja 8.6
Every city in Latvia ranked for July 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
    8.6
  2. 2VentspilsVentspils
    8.1
  3. 3RēzekneRēzekne
    7.1
  4. 4RigaRiga
    6.9
Good0–9.0
Moderate9.1–35.4
Sensitive groups35.5–55.4
Unhealthy55.5–125.4
Very unhealthy125.5–225.4
Hazardous225.5+

PM2.5 in µg/m³, coloured by the US EPA's PM2.5 categories. 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, July 2025 · Latvia now

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SmogRank, most polluted cities in Latvia, PM2.5, July 2025, smogrank.com/lv/history/2025-07 (accessed 2 Oct 2026).

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