Delhi air remains polluted, in 'very poor' category with AQI at 387

Delhi this morning was the world's top most polluted city with an AQI of 540, said iQair, a website that tracks air quality worldwide

Delhi air remained toxic on Thursday as construction and demolition activities in the national capital continued after a brief halt alongside the entry of trucks into the state and the resumption of physical classes.

The Air Quality Index (AQI) in the national capital was at 387 --'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