Mumbai, Oct. 23 -- Mumbai has recorded 231 days in the 'Good' and 'Satisfactory' Air Quality Index (AQI) categories as of October 22 this year, compared with 218 days in 2025, 216 days in 2024 and 185 days in 2023, the Brihanmumbai Municipal Corporation (BMC) said.

According to the civic body, data from the PRANA portal of the Union Ministry of Environment, Forest and Climate Change showed that Mumbai's PM10 concentration declined by approximately 48 per cent between 2017-18 and 2025-26.

The BMC said it has undertaken several measures to mitigate air pollution, including inspections at construction sites, road cleaning, monitoring of construction and demolition waste, and enforcement against activities contributing to pollution.

The ci...