SmogRank / Countries / Romania / April 2025

Most polluted cities in Romania, April 2025

7 cities in Romania ranked by their average PM2.5 over the 30 days. Worst: Dej at 12.5 µg/m³, #405 of 2,286 cities in the world. Cleanest: Craiova at 8.0. A city needs measurements on 70% of the days to be ranked.

  1. 1DejCluj County
    12.5
  2. 2CodleaBrașov County
    10.7
  3. 3IaşiIași County
    10.2
  4. 4CalafatDolj
    10.1
  5. 5Cluj-NapocaCluj County
    9.2
  6. 5BucharestBucharest
    9.2
  7. 7CraiovaDolj
    8.0
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, April 2025 · Romania now