This Indian city has the world's worst air

April 14, 2015 5:32 AM

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While the world has grown accustomed to images of near-apocalyptic pollution in Beijing, the world's worst air can be found some 2,400 miles to the west.

In 2014, the World Health Organization measured air quality levels in 1,600 cities around the world, and the Indian capital city of New Delhi was found to have the highest concentration of particulate matter smaller than 2.5 micrometers, also called PM2.5.

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