New Delhi, Jan. 22 -- Delhi's air quality has remained in the 'very poor' category on Thursday, with the city recording a 24-hour average Air Quality Index of 330, according to data from the Central Pollution Control Board (CPCB).

At 8 AM on Thursday, Delhi's AQI was recorded to be 312.

Despite a marginal improvement in pollution levels, the air quality remained very poor across most parts of the national capital. According to CPCB's Sameer app, 29 monitoring stations recorded 'very poor' air quality, nine stations fell in the 'poor' category.

Nehru Nagar recorded the worst air quality in the morning with an AQI of 382.

According to the CPCB classification, an AQI between 201 and 300 is considered 'poor', 301 and 400 'very poor' and 4...