New Delhi, Dec. 15 -- The residents of Delhi on Monday complained about worsening air quality and a thick layer of smog, as the city's Air Quality Index (AQI) remained in the 'Severe' category, recording 452 at 8 am, according to the Central Pollution Control Board (CPCB).

The city's residents complained of breathlessness and urged everyone to report the deteriorating air quality to the authorities.

"The condition of Delhi is bad...we are experiencing difficulty in breathing....old people are distressed...they are feeling sick...construction work has not stopped.... work is happening on the ground...people are distressed...there is no one to ask people...I request everyone to complain about this matter...tell them about Delhi's conditio...