SmogRank / World / Romania / September 2023
Most polluted cities in Romania, September 2023
4 cities in Romania ranked by their average PM2.5 over the 30 days. Worst: Cluj-Napoca at 11.0 µg/m³, #325 of 1,830 cities in the world. Cleanest: Craiova at 8.4. A city needs measurements on 70% of the days to be ranked.
← Cluj-Napoca 11.0
- 1Cluj-NapocaCluj County 55
- 2BucharestBucharest 52
- 3IaşiIași County 51
- 4CraiovaDolj 47
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, September 2023 · Romania now
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SmogRank, most polluted cities in Romania, PM2.5, September 2023, smogrank.com/ro/history/2023-09 (accessed 2 Oct 2026).
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