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With worst AQI, Kolkata becomes India's most polluted metro
Nov 19, 2018, at 08:51 pm
Kolkata, Nov 19 (IBNS): Surpassing Delhi, Kolkata has become the most polluted metropolitan in India, in last 72 hours, with a 'very poor' and 'hazardous' Air Quality Index (AQI), reports said.
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With worst AQI, Kolkata becomes India's most polluted metro
Mon, Nov 19 2018