The Times of India. Among the cities covered, Noida recorded the highest AQI at 311, marginally ahead of Delhi at 310. The app’s health advisory described the air quality in both cities as very poor and warned. New Delhi, Nov 2 (PTI) A layer of smog shrouded Delhi on Monday, as the national capital recorded its first 'very poor' air quality of the season, and three air quality monitoring stations logged.