SmogRank / World / India / May 2023

Most polluted cities in India, May 2023

5 cities in India ranked by their average PM2.5 over the 31 days. Worst: Delhi at 58.3 µg/m³, #4 of 1,267 cities in the world. Cleanest: Mumbai at 16.1. A city needs measurements on 70% of the days to be ranked.

← Delhi 58.3 µg/m³ 50 µg/m³0
Every city in India ranked for May 2023, one column each, worst on the left and cleanest on the right; height is PM2.5 in µg/m³. Point at it to read a city; tap to open it.
  1. 1DelhiDelhi
    153
  2. 2HyderabadTelangana
    128
  3. 3KolkataWest Bengal
    100
  4. 4ChennaiTamil Nadu
    96
  5. 5MumbaiMaharashtra
    64
Good0–50
Moderate51–100
Sensitive groups101–150
Unhealthy151–200
Very unhealthy201–300
Hazardous301+

The US EPA's Air Quality Index for PM2.5 (2024 breakpoints). 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, May 2023 · India now

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SmogRank, most polluted cities in India, PM2.5, May 2023, smogrank.com/in/history/2023-05 (accessed 2 Oct 2026).

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