SmogRank / World / Latvia / 2024

Most polluted cities in Latvia, 2024

2 cities in Latvia ranked by their average PM2.5 over the 366 days; 2 above the WHO annual guideline (5.0 µg/m³). Worst: Riga at 8.5 µg/m³, #668 of 1,686 cities in the world. Cleanest: Ventspils at 7.8. A city needs measurements on 70% of the days to be ranked.

  1. 1RigaRiga
    471.7×
  2. 2VentspilsVentspils
    431.6×
Good0–50
Moderate51–100
Sensitive groups101–150
Unhealthy151–200
Very unhealthy201–300
Hazardous301+

The US EPA's Air Quality Index for PM2.5 (2024 breakpoints). 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, 2024 · Latvia now

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SmogRank, most polluted cities in Latvia, PM2.5, 2024, smogrank.com/lv/history/2024 (accessed 2 Oct 2026).

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