Delhi Air Quality Index Today: As per CPCB data, Anand Vihar recorded an AQI of 412, Alipur reported 415, and Bawana registered the highest level at 436. Chandni Chowk recorded an AQI of 409, while RK Puram and Patparganj logged 422 and 425, respectively. Sonia Vihar also recorded a 'severe' AQI of 415, indicating hazardous air conditions across the city.