AQI in Delhi slips down to 'severe' after temporary 'very poor'

AQI in Anand Vihar was recorded as 457, while in in Ashok Vihar it was 455 in Chandni Chowk it was 439 and RK Puram recorded an AQI 421 in falling in the 'severe' category, as per data from CPCB measured at 8 a.m