Due to low visibility at the Indira Gandhi International Airport (IGIA), 37 flights were diverted between 9 am and 1 pm to places like Jaipur, Amritsar, Lucknow and Mumbai, the airport officials said.
A senior government official said more than 250 departures and 300-plus arrivals at the Delhi airport were delayed due to heavy smog.
While Air India said it had diverted 12 flights since 9 am, Vistara said it had diverted five flights after 10 am due to the smog.
Low visibility due to heavy smog disrupted flight operations at the Delhi airport on Sunday, with 37 flights diverted to other airports and more than 250 departures and 300 arrivals delayed, officials said.
An airport official said the visibility improved around 3.30 pm.
Pollution levels in Delhi peaked to a three-year high on Sunday. NASA satellite imagery showed vast swathes of the northern plains, covering Punjab, Haryana, Delhi and Uttar Pradesh, blanketed under a smoky haze.
9:36 pm: UP too acts against farmers burning stubble
Taking cognizance of the menace of stubble burning, the Uttar Pradesh Agriculture Department too has begun taking action against farmers, indulging in stubble burning, officials said on Sunday.
UP Agriculture Department Deputy Director Ashutosh Mishra said flying squads in five tehsils of the Hardoi district on Saturday imposed fine of Rs 2.32 lakh on 66 farmers.