Overview On November 11, 2025 , the Commission for Air Quality Management (CAQM) invoked Stage-III of the Graded Response Action Plan (GRAP) in the entire National Capital Region (NCR) . This decision was prompted by a sharp deterioration in the Air Quality Index (AQI) , which reached 425 at 9 AM in Delhi. The implementation of Stage-III GRAP includes a 9-point action plan designed to mitigate severe air pollution. Key Developments Implementation of GRAP Stage-III Date of Implementation: November 11, 2025 Reason: Deteriorating air quality due to calm winds and unfavorable meteorological conditions. Scope: Entire NCR 9-Point Action Plan Highlights Construction and Demolition (C&D) Activities: Strict restrictions on dust-generating activities, with some exceptions for essential projects. Stone Crushers and Mining: Closure of operations in the entire NCR. Vehicular Restrictions: Restrictions on BS III petrol and BS IV diesel Light Motor Vehicles (LMVs) in Delhi, Gurugram, Faridabad, Ghaziabad, and Gautam Budh Nagar. Medium Goods Vehicles (MGVs): Restrictions on Delhi-registered diesel-operated MGVs below BS-IV standards. Light Commercial Vehicles (LCVs): Restrictions on entry of BS-IV diesel-operated LCVs registered outside Delhi. School Operations: Mandatory hybrid mode for classes up to class V in Delhi and select NCR districts. Staggered Timings: Staggering of timings for public offices and municipal bodies. Exemptions and Special Considerations Persons with Disabilities (PwDs): Permitted to use BS – III Petrol / BS – IV Diesel LMVs specifically adapted for their use. Essential Services: Vehicles carrying essential commodities or providing essential services are exempted from certain restrictions. Construction Projects: Certain projects like railway, metro, airports, national security, hospitals, and linear public projects are permitted with strict compliance to C&D Waste Management Rules. UPSC Relevance This news is highly relevant for the UPSC Civil Services Exam , particularly for GS Paper III (Environment) and GS Paper II (Government Policies) . It highlights the government's response to air pollution, the measures taken to mitigate it, and the challenges in implementation. Understanding the GRAP and the role of CAQM is crucial for aspirants. Potential UPSC Questions Discuss the effectiveness of the Graded Response Action Plan (GRAP) in controlling air pollution in the National Capital Region (NCR). What are the challenges in its implementation? Analyze the role of the Commission for Air Quality Management (CAQM) in mitigating air pollution in NCR and adjoining areas. Evaluate the impact of vehicular emissions on air quality in Delhi and NCR. What measures can be taken to reduce vehicular pollution? Important Facts GRAP Stage-III Invocation Date: November 11, 2025 AQI Level Triggering Stage-III: 401-450 Restricted Vehicles: BS III petrol and BS IV diesel LMVs Hybrid Mode for Schools: Classes up to class V Implementing Agency: Commission for Air Quality Management (CAQM)