Explanation:

The Greenpeace India report for 2018 was released based on the National Ambient Air Quality Monitoring Programme (NAMP), on January 21, 2020. Jharia in Jharkhand which is known for Coal-belching is the most polluted Indian city with 322 μg/m3 (micrograms per cubic meter) of PM10 (Particulate matter) pollutants in 2018, according to the report analysis of 287 cities across the country. Out of 287 cities 231 cities were severely polluted.Dhanbad in Jharkhand which is known for its rich coal reserves and industries, is the second-most polluted Indian City with 264 un/m3 of PM10 pollutants.