India, Nov. 11 -- Delhi's air quality index (AQI) continued to hover marginally above the 300 mark on Wednesday morning, with the city recording an AQI of 305 at 10am, compared with 299 at 4pm on Tuesday, though the situation is expected to see improvement, according to the Air Quality Early Warning System (EWS).

Of the 58 air quality monitoring stations that recorded data on Tuesday, 30 reported very poor air quality. The Chhawla monitoring station recorded the worst AQI at 400, followed by Chandni Chowk at 391 and Delhi Technological University at 388.

Delhi Cantonment and Sri Aurobindo Marg were the only two locations where air quality remained moderate, with AQI readings of 135 and 155, respectively. PM10 was the predominant polluta...