The air in Delhi dipped into the `severe category` on Wednesday, from `the `very poor` category a day earlier, as per the Central Pollution Control Board.

As per the CPCB data recorded at 7:00 am, the AQI at Anand Vihar was 405, and in Jahangirpuri, it was 428. Similarly, AQI in Major Dhyan Chand National Stadium was recorded at 404 and in Dwarka Sector 8 at 403, all settling into `severe category`.