Published: December 23, 2025 8:10 AM IST 
New Delhi: Delhi, Noida, Ghaziabad on Tuesday woke up to hazy skies, with overall air quality in the ‘very poor’ category with a reading over 300, according to the Central Pollution Control Board (CPCB), while seven areas of the city recorded severe AQI levels. A day earlier, air quality in the national capital was also recorded in the very poor category on Monday morning, with an overall Air Quality Index (AQI) reading of 377, as per CPCB data. Delhi’s Indira Gandhi International Airport had earlier issued an advisory for passengers amid the low visibility conditions. The airport urged passengers to contact the concerned airlines for updated flight information. “Low Visibility Procedures are still in progress at Delhi Airport. All flight operations are functioning normally. Passengers are advised to contact their respective airlines for the latest flight updates,” read the advisory.
#WATCH गाजियाबाद(उत्तर प्रदेश): गाजियाबाद में शीतलहर और कोहरे का प्रकोप जारी है। घने कोहरे से विजिबिलिटी कम हुई। pic.twitter.com/AgPbU1yqlN
— ANI_HindiNews (@AHindinews) December 23, 2025
Data obtained from the Decision Support System for Air Quality Management shows that vehicle emissions play the largest role in pollution, accounting for 15.7 percent of total pollution. This is followed by industries located in Delhi and surrounding regions, which contribute 7.1 percent, residential sources at 3.8 percent, construction activities at 2.0 percent, and waste burning at 1.3 percent.
According to the Air Quality Early Warning System (AQEWS), Delhi’s air quality is likely to remain in the “very poor” category for the next three days. After that, over the following six days, it is expected to fluctuate between the “very poor” and “severe” categories.
On Monday, dense fog enveloped the national capital, and the air quality was recorded in the ‘very poor’ category. The 24-hour average Air Quality Index (AQI) stood at 373. According to officials, out of 39 operational monitoring stations, 12 indicated air quality in the ‘severe’ category, while 27 recorded ‘very poor’ air quality.
Pollution levels in Delhi-NCR have remained around 400 for the past few days. GRAP-4 has been in effect since December 13, but there has been no relief from pollution. On Tuesday as well, fog and smog continue to blanket the national capital.
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