Pollutants are chemically reacting with the Red Fort’s sandstone surface, forming black crusts that corrode its iconic red façade.

AQI crossed 400 by evening; MCD fined violators ₹33.95 lakh in a week and issued 771 challans for construction norm breaches.

Some residents said that in many places, work had not stopped at all after Diwali, despite the formal ban, with dust clouds remaining a daily feature.

Around 3,746 vehicles were issued challans for lacking valid pollution certificates within 24 hours, while hundreds were turned back at border crossings.

Delhi’s fire department is grappling with a steady stream of calls related to garbage burning — a problem that is contributing significantly to Delhi’s worsening air pollution.

How did Beijing go from being the ‘smog capital of the world’ to conditions in research papers on tackling air pollution? China has lessons for India. In a series of posts on X, spokesperson of the Chinese embassy in India, Yu Jing, laid out the path that Beijing followed to drastically improve air quality.

Gurgaon’s air quality worsened sharply as low wind speed, dense fog and falling temperatures trapped pollutants near the ground, pushing the AQI into the ‘very poor’ category.

PM2.5 levels in Rohtak have crossed the severe mark of 400 for the third time in a month, raising serious concerns over air quality.

Other NCR towns to the west, north and northwest of Delhi also recorded substantial contributions

The report highlights gaps in implementation, uneven monitoring networks, and limited scope of current programmes, while urging long-term measures, crop diversification, and incentives for cleaner transport and electric vehicles.

After Delhi government announced the ban on entry of all private vehicles below BS-VI and not registered in Delhi till GRAP stages III and IV are in place, most experts welcomed the step.

Experts explain the need to focus pollution fight on transport sector, flag various policy challenges.

For over 19 hours, the AQI maxed out at 500 at Rohini — 6 pm on Sunday to 1 pm on Monday. From 2 pm onwards, Rohini’s AQI was unavailable on Monday. “Insufficient data” was stated as the reason.

The article details a critical air pollution event in Delhi where the Air Quality Index (AQI) at the Rohini monitoring station remained at the maximum hazardous level of 500 for over 19 hours. After this period, the station's AQI data became unavailable with the reason cited as "insufficient data."

On Sunday, Delhi's air crossed the 'severe plus' category for the first time this winter—with a 24-hour average air quality index of 461—the second-worst AQI reading for December since the system was launched in April 2015.

The EWS was widely off the mark for Saturday, forecasting an AQI of ‘very poor’ which would deteriorate to ‘severe’ by Sunday.

Among the worst affected areas were Jahangirpuri and Mundka — both recording an AQI of 499, Bawana  at 498 and other regions which neared the 500 mark.

At 4pm, 38 of Delhi’s 39 active stations were “severe,” with only Shadipur in “very poor.” Wazirpur topped 500 – the upper limit of CPCB’s monitoring; Rohini and Ashok Vihar also breached it, while Jahangirpuri, and Mundka hit 499

Wazirpur, Rohini And Ashok Vihar Lead Delhi’s Wall Of Shame

Most Rajghat visits mean barricades and long jams across ITO and key parts of central Delhi.