SmogRank / World / India / February 2024
Most polluted cities in India, February 2024
5 cities in India ranked by their average PM2.5 over the 29 days. Worst: Kolkata at 117.9 µg/m³, #3 of 2,003 cities in the world. Cleanest: Chennai at 36.2. A city needs measurements on 70% of the days to be ranked.
← Kolkata 117.9
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, February 2024 · India now
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SmogRank, most polluted cities in India, PM2.5, February 2024, smogrank.com/in/history/2024-02 (accessed 2 Oct 2026).
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