India, Dec. 13 -- With a sharp drop in air quality in the national capital this morning, and the onset of winter reducing early morning visibility in several parts of India, the Delhi airport and the SpiceJet airlines issued separate advisories for passengers.

The Delhi airport informed passengers about low visibility procedures in progress at the airport, and requested them to contact their concerned airline to get updated flight information.

A dense layer of fog covered the national capital on Saturday morning, reducing visibility. The SpiceJet Airlines also posted about low visibility affecting flights in Bengaluru, Ayodhya, Gorakhpur, Varanasi and others.

SpiceJet Airlines posted on their X account that flights might be affected du...