SmogRank / Countries / Romania / August 2025

Most polluted cities in Romania, August 2025

7 cities in Romania ranked by their average PM2.5 over the 31 days. Worst: Calafat at 10.1 µg/m³, #933 of 2,289 cities in the world. Cleanest: Craiova at 7.5. A city needs measurements on 70% of the days to be ranked.

  1. 1CalafatDolj
    10.1
  2. 2Cluj-NapocaCluj County
    9.3
  3. 3DejCluj County
    9.2
  4. 4IaşiIași County
    9.0
  5. 5CodleaBrașov County
    8.8
  6. 6BucharestBucharest
    8.5
  7. 7CraiovaDolj
    7.5
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, August 2025 · Romania now