New Delhi remains world's most polluted capital for second straight year: study
New Delhi was the world’s most polluted capital city for the second straight year in 2019, according to a Swiss-based group that gathers air-quality data globally. India was also home to 21 of the world’s 30 most polluted cities, IQ AirVisual said in the study which focused on the amount of PM2.5, fine particulate matter, in major urban areas.
Feb 26, 2020, 14:35 PM IST