Days to go for Diwali, the air quality in Delhi and the National Capital Region has dropped drastically, invoking the GRAP-II (Graded Response Action Plan) rules. The Commission for Air Quality Management or CAQM has invoked the Stage-II restrictions across the entire NCR with immediate effect after Delhi's average AQI (Air Quality Index) rose to 324 today, placing it in the "Very Poor" category.
