SmogRank / World / India / Maharashtra / December 2024
Most polluted cities in Maharashtra, India, December 2024
1 city in Maharashtra, India ranked by their average PM2.5 over the 31 days. The only one: Mumbai at 87.0 µg/m³, #12 of 2,573 cities in the world. A city needs measurements on 70% of the days to be ranked.
Maharashtra has 26 cities ranked over the last 30 days, but only 1 here: most of its monitors have no readings for December 2024 in OpenAQ's archive, where ours come from, or too few to rank. Cities missing from this board weren't clean, just not measured.
Ranked by unhealthy days: the share of each city's measured days with a daily mean over 35.4 µg/m³ (US AQI 101+), Unhealthy for Sensitive Groups or worse on the US EPA's scale. Ties go to the higher average.
- 1Mumbai 100%
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, December 2024 · All cities in India, December 2024 · Maharashtra now
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SmogRank, most polluted cities in Maharashtra, India, PM2.5, December 2024, smogrank.com/in/region/maharashtra/history/2024-12 (accessed 7 Oct 2026).
You're welcome to reuse a single chart, image or figure with this citation and a link. Terms. Raw monitor readings in bulk are published by OpenAQ, under each provider's licence.