Delhi Fog Alert, Dec. 29 -- Visibility across the national capital deteriorated sharply on Monday, 29 December, as a dense layer of fog engulfed Delhi, disrupting flight operations and prompting advisories from the airport operator and airlines.

Delhi Airport said operations were being conducted under CAT III instrument landing system conditions owing to poor visibility, cautioning passengers about possible delays and cancellations.

"Flight operations are currently being conducted under CAT III conditions due to dense fog, which may result in delays and cancellations. Our ground teams are actively assisting passengers to ensure smooth travel. We sincerely regret for any inconvenience caused," the airport said in a passenger advisory.

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