The air pollution level in the National Capital deteriorated further and turned to severe category.
The air quality index was recorded at 418 this evening by the Central Pollution Control Board.
Meanwhile, the entry of trucks in Delhi has been banned from 11 PM tonight to Sunday. However, the entry of trucks carrying essential commodities like fruits, vegetables, milk and medicines will not be stopped.
All construction activities involving excavation have already been stopped in the city till Saturday.
An aggressive clean air campaign is also underway to monitor and report polluting activities as well as to ensure quick action.