India, Oct. 30 -- The national capital on Thursday remained shrouded in a thick sheet of smog as the air quality plummeted to the 'very poor' category.

As per the latest bulletin of the central pollution control board (CPCB), Delhi's average AQI was recorded at at 373.

The pollution levels fell to 'very poor' category two days after Delhi's cloud seeding trials of the season, which slightly improved the city's air quality.

The overall 24-hour average AQI of the city stood at 373 at 4 pm on Thursday, in comparison to 279 on Tuesday, which was under 'poor' category.

According to data sourced from central pollution control board (CPCB), the AQI at Delhi's Vivek Vihar stood at a whopping high of 421, followed by Wazirpur at 419, Rohini at...