Dense fog covered Delhi as the AQI hit 384, pushing air quality to the edge of the ‘severe’ zone.

Expert: Delhi's air quality to remain very poor during Diwali

Data from the Central Pollution Control Board showed that the air quality in Delhi entered the 'very poor' category for the first time this season on Tuesday.

NMCG approves rejuvenation projects of 6 polluted river stretches in Uttarakhand