NEW DELHI: A dense layer of fog engulfed the national capital and its neighbourhood regions - Noida and Gurgaon - on Wednesday morning. The visibility dropped to below 50 metres affecting train and flight services.
Nearly 21 trains were running late while four were rescheduled and 13 cancelled due to low visibility and operational reasons.
In addition, three trains were rescheduled by Indian Railways.
Severe cold conditions are expected to continue over the next few days, said the Indian Metereological Department.
The minimum and maximum temperature hover around 6 degrees and 23 degrees respectively.
As north India continues to reel under cold waves, there were reports of train and flight services disruption in the Capital.
Cold waves have been sweeping parts of north India. Punjab and Haryana were reeling under an intense cold wave and high-altitude areas of Jammu region are also experiencing snowfall over the last few week.
Also, Leh in Ladakh region of Jammu and Kashmir recorded a low of minus 15.6 degrees Celsius, earlier this month. Srinagar recorded a minimum temperature of minus 1.2 degrees Celsius while Gulmarg recorded a low of minus 9.4 degrees Celsius.
In high-altitude areas of the Himachal Pradesh, the mercury stayed between minus 15 and minus 22 degrees Celsius on Saturday while lakes, springs and rivulets were frozen.
In Haryana, Ambala braved the bone-chilling weather at 5.6 degrees Celsius, while Hisar registered a low of 2.6 degrees Celsius, four notches below normal.
Uttar Pradesh too witnessed dense to very dense fog at many places as cold waves swept some parts of the state, with Fursatganj in Rae Bareli recording the lowest minimum temperature of 2.6 degrees Celsius.
Cold wave conditions also prevailed in northern parts of Rajasthan with Sriganganagar being the coldest recorded place at 1.9 degrees Celsius while dense to very dense fog occurred at isolated parts of the state.