SmogRank / Countries / Romania / March 2025

Most polluted cities in Romania, March 2025

7 cities in Romania ranked by their average PM2.5 over the 31 days. Worst: Dej at 33.1 µg/m³, #162 of 2,218 cities in the world. Cleanest: Craiova at 17.3. A city needs measurements on 70% of the days to be ranked.

  1. 1DejCluj County
    33.1
  2. 2CalafatDolj
    24.1
  3. 3Cluj-NapocaCluj County
    20.4
  4. 3BucharestBucharest
    20.4
  5. 5CodleaBrașov County
    20.2
  6. 6IaşiIași County
    19.0
  7. 7CraiovaDolj
    17.3
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, March 2025 · Romania now