As the Delhi air turned severe, leading to a temporary closure of schools and scores gasping for breath, the average Air Quality Index (AQI) in the national capital clocked 468 on Friday, according to the 4 pm AQI bulletin of the Central Pollution Control Board (CPCB).
The air quality in Delhi witnessed improvement on Sunday morning as the Air Quality Index (AQI) of the national capital stood at 320, as per the System of Air Quality and Weather Forecasting And Research (SAFAR) at 8:00 am.
In the National Capital Region (NCR) Noida recorded an AQI of 353, in the 'very poor' category, while Gurugram recorded an AQI of 346 and continued to remain in the 'very poor category'.