
The Delhi NCR region is currently grappling with a thick blanket of smog, with temperatures dropping and the Air Quality Index (AQI) breaching the 450-mark, categorised as 'severe'. Residents on Monday (Dec 15) woke up to a dense smog, which reduced visibility to merely 5-10 metres. The condition prompted the authorities to issue advisories and take measures to control air pollution. Online users have shared videos from their homes and offices to show the current situation in the NCR region. A user posted a video on Instagram, showing the condition of roads in Delhi at 6.30 am on December 15. In the comment section, one user called it "dangerous".
The severe air quality is attributed to a combination of factors, including weak surface winds, foggy conditions, and emissions from vehicles, industries, and biomass burning. The situation is expected to worsen with colder nights and low wind speeds.
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Watch some of the videos here:
We've heard of River View, Mountain View, Lake View, and Sunset View apartments…
— Greater Noida West (@GreaterNoidaW) December 15, 2025
So are these Fog View or Pollution View apartments? 🌫️🤔 pic.twitter.com/y09HSEUMLC
0 visibility in Noida today #Pollution#fog#noida#GreaterNoida@aajtak@ravish_journopic.twitter.com/HOrRQHTzaX
— abhishek srivastava (@Abhishek16891) December 15, 2025
The Commission for Air Quality Management (CAQM) has imposed measures under the Graded Response Action Plan (GRAP) stage IV, including restrictions on construction activities, industrial operations and vehicular movement. Schools in Delhi and surrounding areas have been directed to conduct classes online or in hybrid mode.
The severe air quality poses significant health risks, particularly for children, the elderly and those with pre-existing medical conditions. Residents are advised to limit outdoor activities and take necessary precautions.
A day before, on December 14, the condition was more or less the same, as many users shared similar videos and called authorities to take urgent action. On Instagram, one user shared a video and wrote, "What is this ??? AQI or deadly Air Pollution... Are we really living this way??"
"As kids, thick fog felt magical. We imagined we were walking through clouds.... laughing, running, unafraid. It felt natural. Pure. Almost unreal. Today in NCR, the same view feels terrifying. Because it's no longer just fog. It's polluted air. Silent. Invisible. Harmful," one user wrote in another post.
All are hoping for rain that may wash away the toxic cloud hanging overhead. But the weather office ended that hope today, saying rain is unlikely in the plains. There might be some over the Himalayan region, but none is expected in Delhi, where the pollution has reached severe levels.
According to a Centre for Science and Environment (CSE) report, the average PM2.5 concentration during the week before Diwali stood at 236 micrograms per cubic metre, almost double the 120 ug/m3 recorded in 2025. It was also the highest pre-Diwali average in three years.
The transport sector is expected to be the largest contributor to pollution on Wednesday, while the impact of stubble burning is anticipated to increase on Thursday, potentially worsening air quality further over the next few days, according to Indian Institute of Tropical Meteorology models.
Air pollution in Delhi-NCR has worsened during the onset of winter (from October to mid-November) this year. This has been revealed in a new analysis by the Centre for Science and Environment or CSE, an organisation that monitors environmental issues.
All 10 cities in the ranking fall under the 'Hazardous' category, with Bathinda recording the highest AQI, followed by Rewari and Faridkot.
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