- CAQM invoked Stage-III of the Graded Response Action Plan (GRAP) in Delhi-NCR after the air quality index (AQI) touched 382 ('Very Poor' to 'Severe' category). - Stage-III restrictions include a strict ban on non-essential construction and demolition activities, specific curbs on commercial four-wheelers, and intensified dust mitigation measures. - The Commission for Air Quality Management (CAQM) serves as the statutory overarching body responsible for planning, coordinating, and monitoring air quality management in the National Capital Region and adjoining areas. **Introduction** The Commission for Air Quality Management (CAQM) invoked Stage-III of the Graded Response Action Plan (GRAP) across the Delhi-NCR region following a spike in the Air Quality Index (AQI) to 382. This emergency response framework entails severe restrictions on construction, demolition, and polluting transport activities to prevent further deterioration of air quality. **Core Issue and Detailed Points** - CAQM invoked Stage-III of the Graded Response Action Plan (GRAP) in Delhi-NCR after the air quality index (AQI) touched 382 ('Very Poor' to 'Severe' category). - Stage-III restrictions include a strict ban on non-essential construction and demolition activities, specific curbs on commercial four-wheelers, and intensified dust mitigation measures. - The Commission for Air Quality Management (CAQM) serves as the statutory overarching body responsible for planning, coordinating, and monitoring air quality management in the National Capital Region and adjoining areas.