The Indian Meteorological Department (IMD) issued a dense fog warning for December 17. The agency said that isolated areas in Uttar Pradesh and East Madhya Pradesh may experience dense fog early in the morning
After finally bringing operations back to normal following weeks of disruptions, IndiGo has issued a travel advisory to passengers after dense fog affected visibility across the National Capital Region on Wednesday
However, IndiGo is not the only airline to ask its passengers to check their flight status. Akasa Air and SpiceJet have issued similar advisories for passengers.
“As winter sets in, early mornings across Northern India can bring fog that may occasionally slow down flight movements. We wanted to share this gentle heads-up in advance, so you can plan with ease and check your flight status before heading to the airport,” IndiGo said in a post on X.
Travel Advisory
As winter sets in, early mornings across Northern India can bring fog that may occasionally slow down flight movements. We wanted to share this gentle heads-up in advance, so you can plan with ease and check your flight status before heading to the airport…
— IndiGo (@IndiGo6E) December 15, 2025
Meanwhile, Akasa Air said, “Due to severe weather conditions in Northern India certain flights across our network have been impacted.”
#TravelUpdate: Due to severe weather conditions in Northern India certain flights across our network have been impacted.
We realize that this may inconvenience your travel plans and seek your patience and understanding. While this situation is completely beyond our control,…
— Akasa Air (@AkasaAir) December 16, 2025
#WeatherUpdate: Due to bad weather(poor visibility) in Ayodhya (AYJ), all departures/arrivals and their consequential flights may be affected. Passengers are requested to keep a check on their flight status via https://t.co/2wynECYWr0.
— SpiceJet (@flyspicejet) December 16, 2025
Dense fog combined with hazardous pollution levels has sharply reduced visibility during the early morning hours, disrupting air traffic operations across the capital region.
IMD issues fog warning
The Indian Meteorological Department (IMD) issued a dense fog warning for December 17. The agency said that isolated areas in Uttar Pradesh and East Madhya Pradesh may experience dense fog early in the morning.
VIDEO | Moradabad, Uttar Pradesh: Dense fog reduces visibility to near zero on the Agra National Highway, severely disrupting traffic movement.
(Full video available on PTI Videos – https://t.co/n147TvrpG7) pic.twitter.com/R7llpM3rqj
— Press Trust of India (@PTI_News) December 17, 2025
Dense fog is also forecast across several other regions, including Arunachal Pradesh, Assam and Meghalaya, Nagaland, Manipur, Mizoram, Tripura, Himachal Pradesh, Punjab, Uttarakhand, West Madhya Pradesh, West Rajasthan and Odisha.
#WATCH | Delhi | Visuals from NH-24 in Ghazipur area this morning as a layer of toxic smog blankets the city.
AQI (Air Quality Index) around the area is 341, categorised as ‘Very Poor’, as claimed by CPCB (Central Pollution Control Board). pic.twitter.com/2T5dmGeWTl
— ANI (@ANI) December 17, 2025
The weather department warned that sharply reduced visibility could disrupt road, rail and air travel, potentially causing delays. Commuters have been advised to drive cautiously, use fog lights, maintain safe distances and follow official weather advisories.
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