Delhi`s air quality slipped back to the `severe` category on Saturday morning with an AQI of 420 while the minimum temperature was recorded at 11.4 degrees Celsius. Out of 38 monitoring stations, nine recorded air quality in the `severe plus` category with AQI exceeding 450.

Delhi woke up to hazardous smog and severely reduced visibility on Saturday morning as the air quality index (AQI) reached 420, plunging back into the "severe" category. Many areas within the city reported dangerously high pollution levels,

Delhi was listed as India's most polluted city Thursday as a weeks-long air quality crisis gripping northern India has shown few signs of letting up.

The AQI in Anand Vihar was recorded as 457; the AQI in Ashok Vihar was 455; Chandni Chowk's AQI was 439 and RK Puram recorded an AQI of 421.

With the overall Air Quality Index (AQI) reading 422 at 6 AM on Saturday, Delhi was once again engulfed in a dense layer of poisonous haze as the air quality fell into the "Severe" category. According to the Central Pollution Control Board (CPCB),

People in Delhi woke up to a hazy morning with a minimum temperature of 11.3 degrees Celsius as the air quality remained in the "very poor" category recording an overall AQI of 373. Out of 38 monitoring stations in the city,

The Central Pollution Control Board data shows of the 38 monitoring stations in Delhi, nine reported AQI readings in the “severe” range.