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India was home to 35 of the world`s 50 most polluted cities, according to IQAir`s 2020 World Air Quality Report.
The findings were based on the country`s annual average of particulate matter PM2.5, airborne particles with less than 2.5 microns in diameter.
New Delhi: New Delhi was the world s most polluted capital for the third straight year in 2020, according to IQAir, a Swiss group that measures air quality levels based on the concentration of lung-damaging airborne particles known as PM2.5.
India was home to 35 of the world`s 50 most polluted cities, according to IQAir`s 2020 World Air Quality Report, which gathered data for 106 countries.