Delhi air quality improves slightly, shifts from severe to very poor

New Delhi : A slight improvement has been registered in the air quality of Delhi's as it shifted from severe to very poor on Friday. The overall air quality index (AQI) was 364 at 9.30 am.

The minimum temperature in the city was also recorded at 13 degrees, which is normal at this time of the year. The humidity level was 82 per cent at 8.30 am.