A dense layer of smog enveloped Delhi for the fourth consecutive day and the AQI was recorded at 406 as of 8 am on Saturday morning, according to the CPCB.

Private BS III petrol and BS IV diesel vehicles were banned from roads with violations inviting a penalty of ₹20,000.

Delhi air quality remains 'severe', prompting government restrictions and bans on vehicles to combat pollution.

Chief Minister Atishi announced a revision of working hours across government offices to combat pollution and reduce traffic congestion on Friday.

Delhi's AQI hits a hazardous 404 with smog blanketing the city; restrictions imposed, including school closures and fines for violators.

According to Central Pollution Control Board (CPCB) data, Anand Vihar recorded an AQI of 436, Bawana at 438, Dwarka Sector 8 at 410, Mundka at 421, Alipur at 437, Burari Crossing at 429, Lodhi Road at 426,

Northern India encountered the recurring annual pre-winter event of air emergency where the Air Quality Index (AQI) readings of main pollutant PM 2.5 breached the 400-mark of “very poor” and landed the air of Delhi, Punjab and other northern cities into the “hazardous” category.

The air quality of the national capital remained in the "severe" category on Saturday morning with the AQI settling at 407 at 9 am, according to the Sameer app that provides hourly updates of the national AQI published by the Central Pollution Control Board (CPCB).

After reaching a peak, Delhi’s AQI has remained in the ‘severe’ category for the fourth day in a row. Covered in a thick blanket of fog and pollution, the poor visibility has even caused many school to remain closed for the past few days.

Delhi's air quality remained severely hazardous for the fourth consecutive day, with a thick smog layer blanketing the city. The Air Quality Index (AQI) reached alarming levels, prompting concerns about respiratory and cardiovascular health.