Delhi woke up on Friday to worsened air quality with the AQI touching 301 which falls in the 'very poor' category. A sudden spike in dust pollution is causing the Delhi's air quality to deteriorate, reported news agency PTI.

According to the Central Pollution Control Board, Delhi's overall AQI was recorded at 301 at 7 am today. An AQI ranging from 301 to 400 is categorised as 'very poor'. The AQI recorded in most of the observation stations was in the very poor category, reported PTI.