Delhi's AQI turns 'severe' at 483 on Diwali, several areas record pollution levels above 400
Delhi's air quality deteriorated sharply on Sunday morning, with the overall Air Quality Index (AQI) slipping into the 'severe' category at 483 at 8:10 am, as several parts of the national capital recorded pollution levels above 400, according to data from the Central Pollution Control Board (CPCB).
