New Delhi [India], December 10 (ANI): The overall air quality index in the national capital slipped to the ‘Very Poor’ category on Sunday, the Central Pollution Control Board (CPCB) informed. Even as a thick layer of fog blanketed the city on a lazy Sunday, the AQI was recorded in the ‘Very Poor’ range, at 345, in the RK Puram-Munirka area at 8 am on Sunday, according to the Central Pollution Control Board (CPCB). The air quality in Anand Vihar stood at 315 at 8 am, according to CPCB data. Visuals from outside Munirka Metro station showed a thick layer of fog descending on the area, resulting …