Delhi's air quality plummeted to ‘severe+’ levels as cold wave swept the city. Toxic smog blanketed the capital on Sunday morning as AQI hit 489 in Anand Vihar. Low visibility disrupted flight operations. IMD has issued cold wave alert ....
Schools will also have to switch to hybrid mode.'The AQI of Delhi, recorded at 4 pm on Saturday stood at 400, which rose sharply to 428 by 8 pm due to western disturbance, calm winds and poor dispersion of pollutants ... Delhi AQI .
Delhi's air quality remained in the "very poor" to "severe" category across most areas, with several hotspots recording alarming AQI levels, according to data from the CentralPollutionControlBoard (CPCB) ... .