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Delhi Climate, AQI Report As we speak: IndiGo issued a journey advisory on Tuesday evening, warning passengers of decreased visibility and slower flight actions on Wednesday morning.

Poisonous Smog Engulfs Delhi, AQI at 360 as Visibility Drops Throughout NCR. Representational picture/AP
Delhi Climate, AQI Report As we speak: Delhi residents confronted one other tough day as dense smog and fog covered large parts of the national capital, reducing visibility and raising health concerns. Visuals on Wednesday morning from areas such as Anand Vihar and ITO showed a thick layer of toxic smog hanging over roads, buildings and traffic corridors. Even prominent landmarks like the Akshardham Temple were only faintly visible through the haze.
AQI remains in ‘very poor’ category
According to data from the Central Pollution Control Board (CPCB), the Air Quality Index (AQI) in Anand Vihar stood at 341, while readings around the ITO area touched 360. Both figures fall in the ‘very poor’ category. Although pollution levels improved slightly on Tuesday due to stronger winds and thinning fog, the air quality remained unsafe, especially for children, the elderly and people with breathing problems.
GRAP stage-IV measures enforced
In response to the continuing pollution, the Commission for Air Quality Management (CAQM) has invoked all actions under Stage-IV of the Graded Response Action Plan (GRAP) across Delhi-NCR. These emergency measures are enforced when air quality reaches critical levels and include strict restrictions on construction activities, industrial operations and the movement of certain vehicles.
Flights and traffic affected by fog
The worsening weather conditions also affected travel. IndiGo issued a travel advisory on Tuesday night, warning passengers of reduced visibility and slower flight movements on Wednesday morning. IGI Airport authorities said10 flights have been cancelled from Delhi today due to low visibility.
The airline said fog across North and East India could lead to delays or changes in flight schedules. It also cautioned that road traffic may move slowly, advising passengers to plan with extra time and check flight updates before leaving home.
#WATCH | Delhi | Visuals round Anand Vihar space as a thick layer of poisonous smog engulfs the nationwide capital. AQI (Air High quality Index) across the space is 341, categorised as ‘Very poor’, as claimed by CPCB (Central Air pollution Management Board). CAQM (Fee for Air High quality… pic.twitter.com/WCp82nL8mJ— ANI (@ANI) December 17, 2025
Delhi authorities pronounces recent curbs
The Rekha Gupta-led Delhi authorities introduced stricter steps to deal with rising air pollution. Autos with no legitimate Air pollution Below Management (PUC) certificates will not be allowed to purchase petrol or diesel. Solely BS VI-compliant automobiles shall be permitted to function inside the metropolis, whereas older automobiles will face restrictions. On Tuesday, Delhi’s AQI stood at 377, an enchancment from 498 recorded a day earlier, however nonetheless effectively inside the hazard zone.
Punjab CM reacts to Delhi air pollution
Punjab Chief Minister Bhagwant Mann weighed in on the difficulty, rejecting claims that air pollution from Punjab was answerable for Delhi’s air disaster. In a video message, he mentioned no smoke was coming from Punjab and urged authorities to acknowledge that Delhi’s air pollution has native causes.
Regardless of minor enchancment, Delhi continues to battle hazardous air, with authorities urging warning and compliance with air pollution management measures.
Delhi, India, India
December 17, 2025, 07:41 IST
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