Delhi has been named the world’s most polluted capital city for the third year in a row by IQAir’s World Air Quality report.
IQAir, a Swiss group, measures air quality levels in cities by checking for deadly airborne particles known as PM2.5 which can lead to lung damage, cancer, and cardiac problems.
In 2020, Delhi’s average annual concentration of PM2.5 in a cubic meter of air was 84.1, despite the 11 percent drop in pollution due to the coronavirus lockdown, according to the report.
India emerged third most polluted county behind Bangladesh and Pakistan, the report said. The three South Asian countries are home to 49 of the 50 most polluted cities worldwide.
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