Delhi AQI Today: Delhi-NCR witnessed a sharp deterioration in weather conditions late Sunday night as a dense blanket of smog enveloped the region, severely
reducing visibility and compounding the winter chill. The India Meteorological Department (IMD) has issued an orange alert for very dense fog for Monday, and red alert till 11 am, warning commuters of hazardous driving conditions across major roads, even as air quality slipped into the very poor category in several parts of the capital.
Dense Smog Chokes Delhi-NCR, Visibility Takes a Hit
Visuals from multiple locations, including the AIIMS flyover in south Delhi and Noida’s Sector 37, showed vehicles crawling through thick, toxic haze. The smog sharply reduced visibility late into the night, underlining the worsening pollution levels as winter intensifies. Authorities said the situation is particularly dangerous during early morning hours when fog and smog combine, making road travel risky.
Check AQI of Your City, Area Here
The impact has been twofold for residents, who are grappling with plummeting temperatures alongside rising pollution. The minimum temperature on Sunday night dipped to 6.3°C, slightly below the seasonal average, while Monday’s temperatures are expected to hover around 22°C (maximum) and 7°C (minimum). The IMD has cautioned that shallow to very dense fog is likely during morning hours, especially in isolated pockets.
#WATCH | Delhi | Visibility in the national capital is affected as a layer of dense fog engulfs the city.
— ANI (@ANI) December 29, 2025
(Visuals from Dwarka Sector 3 and 6) pic.twitter.com/x3eoVXZpPK
AQI Slips to ‘Very Poor’, Some Areas Cross 400
Delhi’s air quality worsened further, slipping into the very poor category, with pollution hotspots such as Anand Vihar recording hazardous AQI levels above 400. Officials advised vulnerable groups, including children, the elderly and those with respiratory ailments, to remain indoors and limit outdoor exposure as much as possible.GRAP Stage III Curbs Enforced
In response to the deteriorating air quality, authorities have enforced Stage III of the Graded Response Action Plan (GRAP). This includes curbs on construction and certain industrial activities, along with strict implementation of the ‘No PUC, No Fuel’ rule to rein in vehicular emissions. Enforcement teams have been deployed to ensure compliance across Delhi-NCR.#WATCH | Delhi | Visibility in the national capital is affected as a layer of dense fog engulfs the city.
(Visuals from Dhaula Kuan) pic.twitter.com/d5LVjVKx7v— ANI (@ANI) December 29, 2025
Delhi Airport Update
IndiGo issues travel advisory, "Delhi and Hindon (Airport) continue to remain wrapped in chilly winter air and lingering fog this morning. The fluctuating visibility has led to changes in flight schedules, and operations may be slower than usual as conditions evolve. Our teams on the ground are prioritising safety and compliance with visibility requirements...Once the weather settles, operations will gradually stabilise, and flights will depart as planned. Thank you for your patience and understanding." Apart from these other airlines are also expected to face disruption. It is advised to check your flight status before leaving for airport.Delhi IMD Weather Forecast
According to the IMD’s seven-day outlook, Delhi is likely to witness mainly clear skies punctuated by moderate to very dense fog during morning hours over the coming days. Experts warn that prevailing calm wind conditions and low temperatures are conducive to the accumulation of pollutants, suggesting that poor air quality is likely to persist in the near term.Residents have been urged to stay alert, avoid non-essential travel during early hours, and follow health advisories as Delhi continues to battle the combined assault of cold, fog and toxic air.
