Overview

• CPCB data shows Mumbai exceeded safe PM10 limits on 49 of 89 days between February and April 2025, with every February day breaching standards.
• Deonar, Bandra Kurla Complex and Andheri East recorded the highest average PM10 concentrations in Mumbai during the three-month period.
• Nagpur’s air quality monitoring revealed PM10 levels above the National Ambient Air Quality Standards on 69 of 89 days, with average concentrations of 119–122 µg/m³.
• April 2025 readings in Nagpur surpassed those of April 2023 and 2024, ranking the city second-worst in Maharashtra after Malegaon.
• Air quality experts blame construction dust, vehicle emissions and waste burning for the surge and warn that existing controls are insufficient.