As a thick layer of smog continues to blanket the national capital, over 300 flights got delayed at Delhi Airport due to low visibility, according to Flight Tracker 24, a flight tracker website. 115 flights arriving in Delhi since midnight and 226 departing flights from the national capital have been delayed, reported the website.

As of now, incoming flights are delayed by an average of 17 minutes, while outgoing flights are experiencing a significant delay of 54 minutes on average, said the website. However, it was not mentioned that these delays were due to bad weather or the smog.

Earlier in the day, Delhi Airport from its X handle posted a notification and wrote, "Low visibility procedures in progress at Delhi Airport. Passengers are requested to contact the airline concerned for updated flight information."

"A similar notice was also posted on X by IndiGo airlines asking passengers to check the status of flight as it might get delayed. This morning, winter fog may impact flights to/from Amritsar, Varanasi & Delhi. Do keep a tab on your flight status before heading to the airport. Also, please allow additional travel time as road traffic may move slower than usual due to low visibility. Thank you for your patience, and we wish you a smooth journey," said the Airlines.

Delhi AQI Continues To Rise

The AQI level in Delhi at 8 am on Thursday was 428, according to the Central Pollution Control Board (CPCB). AQI at Anand Vihar was recorded as 470, 469 at Ashok Vihar, 417 at ITO and 451 at Rohini.

Meanwhile, on November 13, the Central government, in consultation with the CPCB exempted certain categories of industrial plants from the provisions applicable under Section 21 of the Air (Prevention and Control of Pollution) Act, 1981.

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The exempted industries and sectors listed in the notification include assembly of air coolers, repairing and servicing, assembly of bicycles, and other non-motorizing vehicles, bio-fertilizers, cotton, woollen and hosiers making, surgical and medical products assembling and many others.