SmogRank / Countries / Romania / July 2025

Most polluted cities in Romania, July 2025

7 cities in Romania ranked by their average PM2.5 over the 31 days. Worst: Calafat at 10.9 µg/m³, #816 of 2,283 cities in the world. Cleanest: Craiova at 7.9. A city needs measurements on 70% of the days to be ranked.

  1. 1CalafatDolj
    10.9
  2. 2BucharestBucharest
    9.8
  3. 3CodleaBrașov County
    9.2
  4. 4IaşiIași County
    9.1
  5. 5DejCluj County
    8.2
  6. 6Cluj-NapocaCluj County
    8.1
  7. 7CraiovaDolj
    7.9
Good0–9.0
Moderate9.1–35.4
Sensitive groups35.5–55.4
Unhealthy55.5–125.4
Very unhealthy125.5–225.4
Hazardous225.5+

All cities in the world, July 2025 · Romania now