Delhi air remains in 'very poor' category without any improvement

The Air Quality Index (AQI) was 314 --'very poor'-- at 8 am, according to the state-run SAFAR

Delhi's air was toxic on Tuesday as schools, colleges remain shut and a ban on construction and demolition in the national capital continues. 

The Air Quality Index (AQI) was 314 --'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 state government has ordered schools, colleges, other educational institutions to remain shut in Delhi. Meanwhile, property developers have moved the Supreme Court against its order to re-impose the ban, which has been implemented to control