SmogRank / World / India / Maharashtra / November 2023

Most unhealthy days in Maharashtra, India, November 2023

1 city in Maharashtra, India ranked by its share of unhealthy days over the 30 days. The most unhealthy days: Mumbai, India, 28 of 30 measured days. 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 November 2023 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.

  1. 1Mumbai
    28 of 30
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, November 2023 · All cities in India, November 2023 · Maharashtra now

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SmogRank, most polluted cities in Maharashtra, India, by unhealthy days, PM2.5, November 2023, smogrank.com/in/region/maharashtra/history/2023-11?by=days (accessed 7 Oct 2026).

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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.