New Delhi: Dense fog engulfed the Delhi-NCR region for the second consecutive day on Thursday.
The thick blanket fog has led to low visibility, affecting rail, road and air traffic.
Around 50 Delhi-bound trains are running behind schedule.
Dense fog in several areas of Haryana and Punjab affected life in both states on Thursday morning.
Traffic movement on the busy National HIghway (NH-1), which runs through Punjab and Haryana, connecting Amritsar with Delhi, was also affected due to fog.
Moderate to dense fog was reported from several parts of the national capital region (NCR) in Haryana comprising districts of Gurugram, Faridabad, Jhajjar, Hisar, Bhiwani, Sonipat, Panipat, Karnal and Rohtak.
Earlier, operations at Indira Gandhi International Airport were temporarily suspended due to the dense fog. However, operations have now resumed at the Delhi airport, five flights diverted so far, and some delayed.
Heavy fog engulfed the national capital on Wednesday - the first this season - delaying 18 flights and 50 north-bound trains.
Five of the flights were diverted due to poor visibility at Delhi Airport where low visibility procedures were implemented.