October 2025 has emerged as Mumbai’s most polluted month of the year so far, with 19 monitoring stations recording their highest daily average PM2.5 levels and seven stations registering their peak PM10 levels since January. The spike in pollution was observed between October 18 and 22, coinciding with the festive period, which typically sees increased vehicular movement, construction activity, and firecracker usage.
The data sourced from the Central Pollution Control Board (CPCB) was compiled and analysed by the Centre for Research on Energy and Clean Air (CREA). In Mumbai, air quality is tracked through Continuous Ambient Air Quality Monitoring Stations (CAAQMS) installed a
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