Delhi's Air Quality Improves Slightly, Still In 'Very Poor' Category

The city's 24-hour average air quality index, recorded until 4 pm on Sunday, was 318 (very poor), improving rom the severe category recorded the previous day when it was 412, according to data from the Central Pollution Control Board (CPCB).

The air quality index continued to fluctuate between the "severe" and "very poor" categories in Delhi.

The city's 24-hour average air quality index, recorded until 4 pm on Sunday, was 318 (very poor), improving rom the severe category recorded the previous day when it was 412, according to data from the Central Pollution Control Board (CPCB).