New Delhi, Dec. 13 -- Delhi AQI and Delhi weather today: Delhi choked on Saturday as the air quality index (AQI) plunged near the 'severe' category as residents woke up to a thick blanket of smog shrouding the national capital.

The overall Delhi AQI stood at 397, on the brinks of the 'severe' category, according to data from the Central Pollution Control Board (CPCB).

As many as 21 air quality monitoring stations in Delhi showed the AQI over 400, making the air fall in the toxic 'severe' category there.

According to the CPCB data, Wazirpur registered the highest AQI at 445, followed by Vivek Vihar at 444, Jahangirpuri at 442, Anand Vihar at 439, and 437 each in Ashok Vihar and Rohini.

Narela registered an AQI of 432, followed by 431 i...