Air quality in Delhi remains critical as AQI reels under 'severe' category; smog reduces visibility across city

New Delhi [India], November 15 (ANI): The air quality in Delhi has raised concerns amongst the locals and other residents after the AQI which was reeling under the 'very poor' category for over a week post-Diwali celebrations has worsened to 'severe' category in parts of the national capital.

A dense layer of smog enveloped the city of Delhi for the third consecutive day and the Air Quality Index (AQI) was recorded at 420