40 Flights Cancelled as Severe Smog Disrupts Delhi Airport Operations; AQI Hits 454

According to data from the Central Pollution Control Board’s (CPCB) Sameer app, Delhi recorded an Air Quality Index (AQI) of 454 at 7:05 am, placing it firmly in the ‘severe’ category. On Sunday, AQI levels had touched 461, marking the second-worst air quality recorded in December.

Airport and Airline Advisories Issued

Earlier in the morning, Delhi airport issued a travel advisory cautioning passengers about potential disruptions.

“Due to dense fog, flight operations may experience disruptions. We are working closely with all stakeholders to minimise inconvenience to passengers. For the latest flight updates, passengers are advised to contact their respective airlines,” the airport said in a post on X.

Major airlines also issued advisories:

• IndiGo warned that low visibility could affect flight schedules and urged passengers to check flight status via its app or website and allow extra travel time due to slower road traffic.

• Air India advised travellers to verify their flight status before heading to the airport, citing poor visibility across Delhi and parts of northern India.

Toxic Smog Across the City

Thick smog blanketed several parts of the capital on Monday morning. CPCB data showed alarming AQI levels across key locations:

• Akshardham: 493

• Barakhamba Road: 474

• Barapulla Flyover: 433

Videos circulating on social media highlighted extremely poor visibility, raising concerns for commuters, air travellers, and vulnerable groups including children, older adults, and those with respiratory conditions.

Understanding AQI Levels

• 0–50: Good

• 51–100: Satisfactory

• 101–200: Moderate

• 201–300: Poor

• 301–400: Very Poor

• 401–500: Severe

Authorities have urged residents to limit outdoor activities, use masks if necessary, and stay updated through official advisories.