New Delhi, Nov. 18 -- The national capital woke up to a thick layer of toxic smog on Tuesday morning with an average Air Quality Index (AQI) at 341 at 7 am in the "very poor" category, according to the Central Pollution Control Board (CPCB).

The Air Quality Index has shown little to no improvement from Monday morning, when it was recorded at 351 at 7 am in the "very poor" category, according to CPCB data.

A thick layer of toxic smog blanketed several areas of Delhi.

According to the CPCB, Dhaula Kuan recorded an AQI of 365, categorising it in the "very poor" category, whereas Anand Vihar recorded an AQI of 381 in the same category.

The Ghazipur area was also covered in smog with an AQI reaching 345, falling in the "very poor" category...