This Mega City Comes Next To Delhi In Air Pollution, Says Report
Delhi remained India's most polluted megacity in the 2024-25 winter, with an average PM2.5 level of 175 µg/m³, though pollution declined from 189 µg/m³ in the previous winter, according to a CSE analysis. Kolkata ranked second with 65 µg/m³. While PM2.5 levels dropped in Bengaluru, Mumbai, and Kolkata, they remained unchanged in Chennai and Hyderabad.
