World Health Organization

India and Pakistan dominate WHO’s air pollution database

November 5, 2020

The region contains 16 of the world’s 20 most polluted cities. Historical data sheds light on why An anti-smog device is used on a roadside in Delhi, India. Photograph: EPA At this time of year, agricultural burning adds to the air pollution problems across northern India and Pakistan. The region contains 16 of the 20 […]

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