Air Pollution and Extreme Fog Disrupt Flights in Delhi During Peak Tourism Season

Severe winter smog and dense fog have caused widespread flight cancellations and delays in Delhi, disrupting travel during India’s busiest tourism season.

Yuliya Karotkaya By Yuliya Karotkaya Updated 3 mins read
Air Pollution and Extreme Fog Disrupt Flights in Delhi During Peak Tourism Season
A hazy view of Delhi as smog blankets the city during the winter season. Photo: Abhishek Choudhary / Unsplash

Toxic air pollution and extreme winter fog have caused major flight disruptions at Delhi’s Indira Gandhi International Airport, grounding and delaying hundreds of flights during one of India’s busiest tourism periods. The disruption has stretched across several days, affecting both domestic and international routes and creating knock-on delays across airline networks.

Air quality levels in Delhi surged deep into the hazardous range, with index readings close to 500, far above levels considered safe for prolonged exposure. Dense fog combined with trapped pollutants dramatically reduced visibility, forcing airlines to cancel flights, delay departures, or divert aircraft to alternate airports. Aviation authorities reported significant congestion in air traffic as pilots struggled to operate safely under deteriorating conditions.

Major carriers acknowledged the severity of the situation, explaining that prolonged low visibility during early morning hours made normal operations impossible. As aircraft were displaced and crews timed out, the impact spread well beyond Delhi, affecting schedules across northern India. For travelers, the situation translated into missed connections, extended airport waits, and last-minute itinerary changes, particularly for those using Delhi as a gateway to the country’s most visited cultural destinations.

Winter pollution has become a recurring operational challenge for aviation in northern India. Each year, the combination of vehicle emissions, construction dust, agricultural burning, and weather patterns creates conditions that overwhelm airport systems. Even with advanced landing technology, prolonged fog and smog continue to disrupt operations during peak travel months.

Travel Advisories, Emergency Measures, and Tourism Impact

The ongoing disruptions prompted multiple travel advisories from foreign governments, urging visitors in Delhi and surrounding areas to exercise caution. Travelers were advised to check flight statuses regularly, limit outdoor activity, and take protective measures such as wearing masks. Vulnerable groups, including children, older adults, pregnant women, and people with respiratory or cardiac conditions, were urged to take extra care or reconsider travel plans.

Local authorities responded by activating the strictest stage of Delhi’s emergency pollution response. Measures included restrictions on certain fossil-fuel vehicles, temporary suspension of construction activities, and reduced occupancy requirements for offices, with many employees instructed to work remotely. Schools were also directed to switch to hybrid learning formats to limit outdoor exposure for students.

These measures, while aimed at protecting public health, have added another layer of complexity for visitors. Reduced public services, altered business hours, and transportation limitations have reshaped the travel experience in the capital. For international tourists arriving during the peak October-to-March season, the pollution crisis has disrupted carefully planned itineraries and raised broader concerns about winter travel to northern India.

Despite the challenges, tourism flows have not stopped entirely, highlighting the resilience of demand during the high season. However, industry observers note that repeated disruptions could affect traveler confidence over time. Airlines, tour operators, and hospitality providers are increasingly forced to factor environmental risks into winter planning, from flexible booking policies to revised schedules.

As Delhi continues to grapple with seasonal pollution and fog, aviation and tourism stakeholders face mounting pressure to adapt. While emergency measures offer temporary relief, long-term solutions remain critical to ensuring that one of Asia’s busiest travel hubs can operate reliably during peak tourism months.