New Delhi, Dec. 21 -- The national capital woke up to a thick blanket of toxic smog on Sunday morning, sharply reducing visibility and causing discomfort to residents across the city.

The overall Air Quality Index (AQI) was recorded at 390 around 7 am, placing it in the 'very poor' category, according to the Central Pollution Control Board (CPCB).

However, several areas witnessed air quality deteriorating further to 'severe' levels.

Multiple parts of Delhi experienced a dense haze, with pollution levels remaining alarmingly high.

In the Akshardham area, the AQI stood at 438, categorised as 'severe'. Similar conditions were reported from the Ghazipur area, where AQI levels were also recorded at 438, as per CPCB data.

Central Delhi was...