Delhi's air quality improves, comes down to 'poor' category
New Delhi, Nov 4 (PTI) Delhi's air quality continued to improve on Sunday with the pollution level coming down to 'poor' category after oscillating between 'very poor' and 'severe' for nearly three weeks, authorities said.
The overall Air Quality Index (AQI) was recorded at 231 on Sunday which falls in 'poor' category.
On Friday, the AQI was recorded at 370, which came down to 336 on Saturday, according to data of the Central Pollution Control Board.