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,

On November 22, the AQI recorded in the national capital was 371 and remained in the 'very poor' category as per CPCB.