Which were the most polluted cities in India on Diwali?
Rajasthan's Bhiwadi was the most polluted city in the country on Diwali with a pollution level of 425 micrograms per cubic metre, followed by Kolkata and Agra, according to a Central Pollution Control Board report. While the air quality in Delhi, Ghaziabad, Faridabad, and Chennai was categorised as 'very poor', Haldia and Durgapur recorded 'good' air quality.