SmogRank / Countries / India / September 2023

Most polluted cities in India, September 2023

5 cities in India ranked by their average PM2.5 over the 30 days. Worst: Delhi at 35.2 µg/m³, #17 of 1,830 cities in the world. Cleanest: Mumbai at 13.8. A city needs measurements on 70% of the days to be ranked.

  1. 1DelhiDelhi
    35.2
  2. 2KolkataWest Bengal
    24.1
  3. 3HyderabadTelangana
    22.8
  4. 4ChennaiTamil Nadu
    20.4
  5. 5MumbaiMaharashtra
    13.8
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, September 2023 · India now