Authorities in New Delhi closed primary schools and imposed vehicle and construction restrictions on Friday, as air pollution levels in the Indian capital remained “severe”. The government-run Central Pollution Control Board said air quality readings in parts of the city were above 400,

A study by the Centre for Science and Environment reveals that vehicular emissions are the largest contributor to Delhi's air pollution, accounting for 51.5 per cent of the city's pollution

Delhi's air quality remains severe, prompting GRAP-III restrictions under which stringent ban will be put in place on construction and demolition activities among others.