Delhi air remains polluted as AQI again slips to 'very poor' category

The Air Quality Index (AQI) in the national capital was at 302 --'very poor'-- at 8 am, according to SAFAR

Delhi air quality slipped to 'very poor' on Thursday a day after the AQI had improved to the 'poor' category.

The Air Quality Index (AQI) in the national capital was at 302 --'very poor'-- at 8 am, according to the Ministry of Earth Sciences' air quality forecast agency SAFAR. Readings below 50 are considered safe, while anything above 300 is considered hazardous or 'severe'.

Delhi's air quality in November was the worst in seven years, data showed. The air became worse after Diwali on November 4 as people violated a ban on bursting firecrackers while the pollution compounded due to