SmogRank / Countries / Romania / January 2025

Most polluted cities in Romania, January 2025

6 cities in Romania ranked by their average PM2.5 over the 31 days. Worst: Codlea at 54.3 µg/m³, #25 of 1,937 cities in the world. Cleanest: Iaşi at 24.6. A city needs measurements on 70% of the days to be ranked.

  1. 1CodleaBrașov County
    54.3
  2. 2DejCluj County
    46.1
  3. 3CraiovaDolj
    31.1
  4. 4Cluj-NapocaCluj County
    30.3
  5. 5BucharestBucharest
    28.4
  6. 6IaşiIași County
    24.6
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, January 2025 · Romania now