SmogRank / World / Romania / September 2023

Most polluted cities in Romania, September 2023

4 cities in Romania ranked by their average PM2.5 over the 30 days. Worst: Cluj-Napoca at 11.0 µg/m³, #325 of 1,830 cities in the world. Cleanest: Craiova at 8.4. A city needs measurements on 70% of the days to be ranked.

← Cluj-Napoca 11.0
Every city in Romania ranked for September 2023, one column each, worst on the left and cleanest on the right. Point at it to read a city; tap to open it.
  1. 1Cluj-NapocaCluj County
    11.0
  2. 2BucharestBucharest
    9.6
  3. 3IaşiIași County
    9.3
  4. 4CraiovaDolj
    8.4
Good0–9.0
Moderate9.1–35.4
Sensitive groups35.5–55.4
Unhealthy55.5–125.4
Very unhealthy125.5–225.4
Hazardous225.5+

PM2.5 in µg/m³, coloured by the US EPA's PM2.5 categories. Show values as: µg/m³ · US AQI · India AQI · China AQI · European AQI · UK DAQI · Canada AQHI+. About the scales

All cities in the world, September 2023 · Romania now

Use this board

SmogRank, most polluted cities in Romania, PM2.5, September 2023, smogrank.com/ro/history/2023-09 (accessed 2 Oct 2026).

Download top 10 (PNG)

You're welcome to reuse a single chart, image or figure with this citation and a link. Terms.