Wednesday, December 06, 2023
Updated on: December 23, 2020 13:01 IST

Delhi's air quality slips to 'severe category'

National capital's air quality continues to degrade as it slips from 'very poor category' to 'severe category.' According to System of Air Quality and Weather Forecasting and Research (SAFAR), city's air quality index stood at 404 in the morning of December 23.