Delhi's air quality slipped back to the 'severe' category on Saturday ... three notches above the seasonal average, according to the India Meteorological Department (IMD). Humidity levels fluctuated between 96 and 66 per cent during the day.

Delhi was listed as India's most polluted city Thursday as a weeks-long air quality crisis gripping northern India has shown few signs of letting up. An air quality analysis report by Respirer Living Sciences showed levels of particulate matter,

NCR, the Railway Board has introduced staggered work hours for employees, following a government directive. Carpooling is encouraged. With air quality hitting severe levels, measures aim to maintain productivity and efficiency while addressing the environmental health crisis.

With the overall Air Quality Index (AQI) reading 422 at 6 AM on Saturday, Delhi was once again engulfed in a dense layer of poisonous haze as the air quality fell into the "Severe" category. According to the Central Pollution Control Board (CPCB),

The Central Pollution Control Board data shows of the 38 monitoring stations in Delhi, nine reported AQI readings in the “severe” range.