SmogRank / Countries / Romania / May 2023
Most polluted cities in Romania, May 2023
3 cities in Romania ranked by their average PM2.5 over the 31 days. Worst: Cluj-Napoca at 9.9 µg/m³, #359 of 1,267 cities in the world. Cleanest: Iaşi at 9.0. A city needs measurements on 70% of the days to be ranked.
- 1Cluj-NapocaCluj County 9.9
- 2BucharestBucharest 9.6
- 3IaşiIași County 9.0
Good0–9.0
Moderate9.1–35.4
Sensitive groups35.5–55.4
Unhealthy55.5–125.4
Very unhealthy125.5–225.4
Hazardous225.5+