A thick blanket of fog enveloped the entire region affecting all modes of traffic, officials said here.
Most of the flights remained grounded at Chandigarh airport and several trains passing through the region, including Howrah express, Malwa express, Tata Moori, Barmer express and Shan-e-Punjab were running hours behind schedule, they said.
The minimum temperatures hovered between one degree Celsius above normal to four notches below normal in most parts of Punjab and Haryana, the Met office said here.
Narnaul was the coldest place in the region recording a low of 0.7 degrees Celsius, four notches below normal.
Bhiwani settled at a low of three degrees, while the minimum at Karnal was 4.4 degree Celsius, three notches below normal.
Hisar braved a low of 4.8 degree Celsius followed by 5.2 degrees at Amritsar, two notches above normal, 5.9 degrees at Patiala and 6.3 degrees temperature at Ambala.
Chandigarh had a low of 6.9 degree Celsius, two notches above normal, followed by seven degree Celsius temperature at Ludhiana.
Tripping of power and low pressure water supply compounded the problems of people in the region.
The Met has forecast dry weather in the region during the next two days with foggy conditions prevailing and minimum temperature plummeting in most parts of Punjab and Haryana.
