Delhi air pollution: Before and after

AFP New Delhi, Delhi, India Nov 05, 2018, 10:40 AM(IST)

Before and after images showing the extent of Delhi’s winter air pollution. 14 of the world’s top 15 cities with the dirtiest air are in India, according to the World Health Organization. Each year around November, the Indian capital’s air quality reaches hazardous levels as cooler air traps pollutants close to the ground and farmers burn their fields across large swathes of north India.

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