According to a recent report titled Air Quality and Health in Cities, published by the United States-based Health Effects Institute, Delhi and Kolkata are the top two most polluted cities in terms of exposure to harmful fine particulate matter (PM2.5).
About the report –
The report examines pollution and global health implications in over 7,000 cities worldwide, focussing on two of the most dangerous pollutants – fine particulate matter (PM2.5) and nitrogen dioxide (NO2).
Findings of the report –
Why is there such a contradiction in India?
Way ahead for Indian cities –