40 flights delayed, trains affected as dense fog hits Delhi
What's the story
Delhi once again witnessed dense fog early Thursday, severely affecting visibility. The fog led to delays in at least 40 flights and several trains. The Indira Gandhi International (IGI) Airport issued an advisory at 8:10am amid dense fog, stating that flight operations were under CAT III conditions, which may result in delays or interruptions. Passengers were advised to check with their airlines for the latest updates on their flights.
Train delays
Train services disrupted due to fog
The dense fog has also affected train services, with more than 22 trains running late. Some of the most affected trains include the Haridwar Bhavnagar Express, delayed by 1 hour and 7 minutes, Prayagraj Express, and Rewa Anand Vihar Express which were delayed by over three hours. The New Delhi Vande Bharat Express was delayed by a staggering eight hours and 52 minutes.
Weather forecast
Foggy conditions to persist in Delhi
The dense fog has also affected road traffic in several areas of Delhi, with vehicles moving slowly on major roads and highways. Weather officials have predicted that foggy conditions will continue during early mornings in the coming days as winter intensifies. This is likely to further disrupt transportation services in the national capital region.
Twitter Post
Visuals near Delhi airport
#WATCH | Delhi | Visuals near Delhi Airport as a toxic smog blankets the city; GRAP 4 invoked in the national capital.
— ANI (@ANI) December 18, 2025
AQI (Air Quality Index) around the area is 282, categorised as 'poor', as claimed by CPCB (Central Pollution Control Board). pic.twitter.com/Zjoakx14Qr