Delhi still world’s most polluted capital: Report

Delhi’s air quality improved by approximately 15% between 2019 and 2020 but it still ranked as the 10th most polluted city in the world and the most polluted capital, according to the World Air Quality Report, 2020, released by the Swiss air technology company, IQAir. In 2020, all Indian cities observed air quality improvements compared to 2018 while 63% saw improvements over 2019.