As many as 73 flights were delayed due to fog at Delhi airport, nearly 70 trains were running late in the region.
According to the MeT department, respite from the winter chill is unlikely tomorrow as the minimum temperature is predicted to settle around 3 degrees Celsius.
"The minimum temperature is likely to settle at 3 degrees and the maximum will be around 18 degrees Celsius. Moderate/ dense fog will engulf the city tomorrow morning," a MeT official said.
The maximum was recorded at 18.3 degrees Celsius, two notches below normal.
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Delhi's all time low of 1.1 degrees Celsius was recorded on 26 December, 1945.
"The humidity recorded was 100 per cent. The visibility at 8.30 AM was barely 50 metres and was recorded at 500 metres in the evening," he said.
According to the airport authorities, flight operations were severely affected at the Indira Gandhi International Airport. "While 73 flights were delayed due to fog, 17 of them diverted and six cancelled," an airport official said.
Early morning dense fog also affected movement of about 70 trains including 50 north-bound trains. Four trains had to be cancelled and six of them rescheduled, a Northern Railway spokesperson said.
Yesterday, the national capital had recorded the second lowest temperature of the season with the mercury dipping to 4.8 degrees Celsius, three notches below normal, though the afternoon was comparatively warmer.