New Delhi, Nov. 23 -- Delhi Environment Minister Manjinder Singh Sirsa highlighted ongoing measures to curb air pollution in the national capital, as the average Air Quality Index in the state surged, and asserted that strict action is being taken against construction sites violating environmental norms.

Speaking to ANI on Saturday, Sirsa said, "Sweeping work is being done at night with the help of Mechanical Road Sweeping machines (MRS). Construction work happening in Delhi is being monitored. We have inspected over 1,200 sites; over 200 have been served notices, and 50 sites have been completely shut."

According to the Central Pollution Control Board (CPCB), the average Air Quality Index (AQI) stood at 381 at 7 am in the national capi...