Open Magazine. Out of Delhi's 58 monitoring stations, 33 recorded 'severe' air quality, with several locations reporting AQI levels well above 450, according to Central Pollution Control Board data. IIT Delhi reported the highest AQI at 487, followed by Chandni Chowk and North Campus at 476 each. The IMD expects air quality to remain between 'very poor' and 'severe' until November 16.