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 µg/m³ 90 µg/m³0
Every city in India ranked for February 2025, 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
    10
  2. 2KolkataWest Bengal
    10
  3. 3MumbaiMaharashtra
    7
  4. 4HyderabadTelangana
    6
  5. 5ChennaiTamil Nadu
    5
Low risk1–3
Moderate risk4–6
High risk7–10
Very high risk10+

Canada's AQHI+ for PM2.5 (1 point per 10 µg/m³), which is defined on hourly values. 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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