Delhi, Kolkata Have The Worst PM2.5 Levels Globally: What New Study Shows
By Sana Fazili Two Indian cities — Delhi and Kolkata — have have topped the charts of the world's most polluted cities in the latest report on global air pollution. Mumbai has been ranked 14th according to the report released by the State of Global Air. India, in fact, is home to 18 of the 20 cities with the most severe increase in PM2.5 pollution from 2010 to 2019. The latest State of Global Air Report is part of an initiative on air quality between the Health Effects Insitute and the Institute for Health Metrics and Evaluation, with inputs from the University of British Columbia. Also Read: ...