New Delhi is the most polluted city on Earth right now

Photos: New Delhi chokes on smog
A Delhi policeman stands guard at the war memorial India Gate engulfed in a thick smog in New Delhi, India, on November 6, 2016.
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Photos: New Delhi chokes on smog
Protesters wearing protective masks take part in a rally urging immediate action to curb air pollution in New Delhi on November 6, 2016.
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