Visibility reduces amid smog & severe air in Delhi, flight ops hit

A thick layer of smog covered Delhi on Monday morning as the air quality remained in 'severe' category, reducing visibility and disrupting flight operations. The AQI in the national capital was 456 at 6 am, according to Central Pollution Control Board (CPCB). Flight tracking website FlightRadar24 showed 110 departures and 37 arrivals delayed at Delhi Airport.