After improving to ‘very poor’ category, the air quality index in Delhi has once again slipped to ‘severe’, with the AQI of 427 at 7am on Sunday.The prominent pollutant, once again, is PM2.5, the Central Pollution Control Board (CPCB) said.

Delhi 's air quality index (AQI) once again worsened to the "severe" category with a reading of 427 recorded at 7:00am on Sunday. PM2.5 was the major pollutant responsible for the alarming situation,

Delhi struggles with worsening air quality amid a severe cold wave, as AQI levels reach 'very poor' and 'severe' categories. Shelter homes provide refuge for those affected by harsh temperatures, while in Uttar Pradesh,

The India Meteorological Department (IMD) has issued cold wave warnings for Delhi and other northern states, including Punjab, Haryana, Uttar Pradesh, and Jammu & Kashmir.

RK Puram recorded an AQI of 453 and 452 at Rohini, 436 at Shadipur, and 451 at Vivek Vihar. The weather department predicted cold wave to severe cold wave conditions in most of No

The government has blamed a combination of factors including stubble burning and firecrackers for Delhi’s worsening air quality.