AQI over 400 in several parts of Delhi; air quality deteriorates to 'severe' category

As per CPCB data, Anand Vihar recorded an AQI of 412, Alipur reported 442, and Bawana registered the highest level at 462. Chandni Chowk recorded an AQI of 416, while RK Puram and Patparganj logged 446 and 438, respectively