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Heavy smog engulfs the city after Diwali festival celebrations, on October 28, 2019 in Kolkata, India. Kolkata's AQI (Air Quality Index) is 186 according to Real Time Air Quality Index.
Heavy smog engulfs the city after Diwali festival celebrations, on October 28, 2019 in Kolkata, India. Kolkata's AQI (Air Quality Index) is 186 according to Real Time Air Quality Index.
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