NEW DELHI: The national capital’s surrounding parts and some of its interior were shrouded in a dense layer of fog on Friday morning as the mercury dropped to 5.4 degrees Celsius. On Friday morning, visibility near Indira Gandhi International (IGI) airport was completely lost due to fog. However, there was no significant effect of the unfavourable weather on flight operations. However, before departing for the airport, travellers are advised to check flight information with the relevant airline, according to a warning released by the Delhi airport officials. “Difficult to See” At Delhi Airport, procedures are being carried out. Right now, every flight operation is going as usual. For the most recent flight information, passengers are urged to get in touch with the relevant airline,” officials stated.Takeoffs and landings are required when extremely dense fog results in poor or nonexistent visibility. The CAT III, or Category III, instrument landing system (ILS) enables aircraft to land in low visibility situations. There may be disruptions to flights that are not CAT III compliant as landings and takeoffs continue at Delhi Airport. If passengers need up-to-date flight information, they should get in touch with the relevant airline. They continued, “We sincerely apologise for any difficulty caused. At 7:30 am, according to the India Meteorological Department (IMD), visibility at Palam Airport dropped to nil. At 7:30 am, Safdarjung Airport (VIDD) in Delhi likewise reported 200m visibility under conditions of severe fog.