 "A man rides a bicycle in front of the historic Red Fort, shrouded in smog post Diwali celebrations in New Delhi (Photo: PTI)")
Delhi's air was toxic on Friday as the state closed schools after the Supreme Court gave the Centre and the state a 24-hour deadline to fix a pollution crisis that has lasted weeks now.
The Air Quality Index (AQI) was 385 --'very poor'-- at 8 am, according to the state-run System of Air Quality and Weather Forecasting And Research (SAFAR). Readings below 50 are considered safe, while anything above 300 is considered hazardous or 'severe'.
The Delhi government ordered schools to remain shut until further orders in the national capital due to an increase in the air pollution levels. This
