Delhi-NCR witnessed a thick blanket of fog, reducing visibility and affecting vehicular movement in the streets on Monday morning, apart from adversely impacting the air and rail traffic. Several airlines have issued advisories to passengers taking flights from Indira Gandhi International Airport.
In the National Capital, dense fog blanketed many areas, including Kalindi Kunj, Mayur Vihar Phase-1, RK Puram and Delhi cantonment area. A minimum temperature of 2.5° Celsius was recorded in the Delhi on 29 December, the second coldest day of December since 1901. Early on Monday morning, the temperature in Delhi was at 4.6° Celsius which at Palam was recorded as 4.8° Celsius.

Sixteen flights were diverted and four cancelled from the Delhi airport on Monday due to heavy fog, an official told PTI. “Normal operations have been suspended at Delhi airport due to poor visibility, only CAT III B (instrument landing system) compliant pilots can land. Passengers are requested to stay in touch with the airline concerned for updated flight information. Due to the foggy weather conditions and low visibility at the airport, three flights diverted and none has been cancelled,” Delhi Airport said in a statement.
#6ETravelAdvisory: Due to poor visibility in #Delhi, our flights are impacted. Do keep a track of your flight status at https://t.co/TQCzzy2a2s. For rescheduling/cancellation, please visit Plan B https://t.co/Oq5OqwbyNF. You may also chat with us at https://t.co/tBjQsmj0MT.
— IndiGo (@IndiGo6E) December 30, 2019
A CAT IIIB system helps with a precision approach and landing when the runway visibility is at a distance no less than 50 feet (15m) and is at a visual range less than 200 meters and most certainly not less than 50 meters.
At least 30 trains were running late due to low visibility in the Northern Railway region on Monday morning, according to ANI.
Meanwhile, many homeless people have taken refuge at night shelters near Anand Vihar Inter State Bus Terminal (ISBT) and Sarai Kale Khan, among other areas.
Low visibility in Ghaziabad due to fog, cold wave continues pic.twitter.com/aVi8XeGwwZ
— ANI UP (@ANINewsUP) December 30, 2019