Smog
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Beijing Weather: First time ever a ‘red alert’ for air pollutionDecember 9, 2015
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Search for breathable air on in smog-choked ChinaSeptember 23, 2014
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Post Diwali smog in Delhi to continue for next 72 hours
November 5, 2013
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Smog in north India to return mid-weekOctober 28, 2013
