Delhi’s air quality continues to remain ‘severe’ as residents in the national capital woke up to toxic air conditions on Sunday. At 11am, Delhi’s AQI stood at 450, as per the Central Pollution Control Board.

The overall AQI of Delhi stood at 428 in the 'severe' category at around 7.30 a.m., as per the Central Pollution Control Board (CPCB). Of the 35 monitoring stations, CPCB data showed that most areas reported air quality in the severe category, with AQI levels above 400.

Delhi's air quality remained "severe" for a second consecutive day, prompting the central pollution watchdog to invoke restrictions under the third stage of GRAP, including a ban on construction activ

The GRAP 3 curbs in Delhi include ban on demolition and construction activities, and entry of certain vehicles inside Delhi-NCR, among other curbs, to prevent further deterioration of air quality.