1 . What is GRAP 4

GRAP Stage 4 is the highest and most stringent level of the Graded Response Action Plan (GRAP), an emergency framework implemented in the Delhi-National Capital Region (NCR) to combat severe air pollution. It is declared when the Air Quality Index (AQI) crosses the 450 mark, categorising the air quality as "Severe+." The measures under Stage 4 are implemented in addition to those from Stages 1, 2, and 3, and are designed to prevent further deterioration of the air quality during a pollution crisis. The Commission for Air Quality Management (CAQM) oversees its implementation. Here are 5 rules which you must follow under GRAP 4: Advertisement

2 . Halt on construction and demolition (C&D) activities

A complete halt is enforced on all C&D activities across the entire

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