Delhi's air quality slipped back into the very poor category on Wednesday after remaining in the severe zone for six days on the trot

New Delhi: Delhi's air quality slipped back into the very poor category on Wednesday after remaining in the severe zone for six days on the trot, with a change in the wind direction reducing the contribution of stubble burning in city's pollution.

The city recorded an air quality index (AQI) of 388 at 9 am. The 24-hour average AQI was 476 on Tuesday.

Delhi's air quality

Delhi witnessed six severe air days on the trot till Tuesday. It had recorded seven severe air days in November last year.

The neighbouring cities of Faridabad (345), Ghaziabad (390), Noida (339), Greater Noida (322), and Gurgaon (309), which fall in the National Capital Region (NCR), also recorded "very poor" air quality.

Delhi's air quality

The city recorded a minimum temperature of 11.4 degrees Celsius on Wednesday morning.

The central government's Air Quality Early Warning System for Delhi said that the change in wind direction and wind speed has positively impacted air quality. It is likely to remain in the upper end of the 'very poor' category on Thursday and deteriorate marginally on Friday.