Kolkata air quality now toxic all year

KOLKATA: In the past two-and-ahalf years, Kolkata's air qualified as 'good' only once for a fortnight in August 2015.

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Publication Date: 
16/09/2016
Subhro Niyogi
Times of India (Kolkata)
Tags:
West Bengal, Kolkata, Air Quality Standards, PM 2.5, WHO, Air Pollution, Heart Diseases, Health Effects