SmogRank / World / India / February 2025

Most polluted cities in India, February 2025

5 cities in India ranked by their average PM2.5 over the 28 days. Worst: Delhi at 97.6 µg/m³, #4 of 2,264 cities in the world. Cleanest: Chennai at 40.9. A city needs measurements on 70% of the days to be ranked.

← Delhi 97.6
Every city in India ranked for February 2025, one column each, worst on the left and cleanest on the right. Point at it to read a city; tap to open it.
  1. 1DelhiDelhi
    129
  2. 2KolkataWest Bengal
    120
  3. 3MumbaiMaharashtra
    93
  4. 4HyderabadTelangana
    76
  5. 5ChennaiTamil Nadu
    58
Excellent0–50
Good51–100
Lightly polluted101–150
Moderately polluted151–200
Heavily polluted201–300
Severely polluted301+

China's Air Quality Index (HJ 633-2012), PM2.5 individual index. 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, February 2025 · India now

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SmogRank, most polluted cities in India, PM2.5, February 2025, smogrank.com/in/history/2025-02 (accessed 2 Oct 2026).

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