A thick blanket of fog enveloped most parts of Punjab, Haryana and Chandigarh this morning affecting air, rail and road traffic in the region, officials said here.
While most of the flights from Chandigarh airport were cancelled or re-scheduled, several trains criss-crossing the region, including Shan-e Punjab and Howrah-Amritsar Mail were running hours behind schedule due to low visibility.
Besides, the motorists on the highways and state roads were moving at snail's pace.
The minimum temperatures hovered between four degrees celsius below normal to two notches above normal in the region, the Met office said here.
Hisar was the coldest place in the plains of Punjab and Haryana with a low of 2.2 degrees celsius, four notches below normal.
While Narnaul settled at a low of 3 degrees celsius, three notches below normal, the minimum temperature at Bhiwani was 3.2 degrees celsius.
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Among other places, Amritsar braved a low of 5.2 degrees celsius, two notches above normal, followed by Chandigarh 6.7 degrees celsius, one notch above normal. The low at Patiala was 7.8 degrees celsius, two notches above normal.
The Met department has forecast a drop in minimum temperatures in the region during the next 24 hours with foggy and misty conditions to continue in the days ahead.