The visibility was 200 metres in the morning, but it improved gradually to 800 metres by 5.30 PM.
"The maximum temperature was recorded at 30.5 degrees Celsius, a notch above normal," a MeT official said.
Humidity levels oscillated between 98 and 31 per cent.
The weatherman has predicted shallow fog in some areas for tomorrow morning but a possibility of dense smog in few other areas.
"The maximum and minimum temperatures are likely to settle at 30 and 14 degrees Celsius," the official added.
A "pollution emergency" prevailed in Delhi for the third straight day today as the toxic cloud of smog kept the city shrouded, a situation which is likely to persist for another 48 hours.