Which body issues GRAP directions for Delhi-NCR, with its GRAP subcommittee deciding when to invoke each stage?

Commission for Air Quality Management (CAQM). CAQM issues GRAP. Its GRAP subcommittee reviews Delhi's AQI and IMD/IITM forecasts before invoking a stage. CPCB has national technical functions. DPCC regulates pollution only within Delhi, through consent, inspections and monitoring.

Which Act provides the statutory framework for the Commission that invokes GRAP in Delhi-NCR?

Commission for Air Quality Management in National Capital Region and Adjoining Areas Act, 2021. CAQM operates under the CAQM in NCR and Adjoining Areas Act, 2021. This is Act No. 29 of 2021, with assent on 12 August 2021. The 1981 Air Act and the 1986 Environment Act are other pollution-control laws. The NGT Act, 2010 created the Green Tribunal, not CAQM.

Match the GRAP measures in List-I with the stage at which they are first listed in List-II. List-I (Measure) A. Dust control and waste-burning prevention B. Higher parking charges and staggered public-office timings C. Hybrid schooling for younger school classes D. Possible closure of educational institutions and non-emergency commercial activity List-II (Stage) 1. Stage IV 2. Stage I 3. Stage III 4. Stage II

A-2, B-4, C-3, D-1. Dust control and waste-burning prevention belong to Stage I. Higher parking charges and staggered office timings belong to Stage II. Hybrid schooling for younger school classes is first listed at Stage III (it also continues in Stage IV). Possible closure of educational institutions and non-emergency commercial activity is a Stage IV step.

Consider the following statements about the Supreme Court's directions on GRAP in the M.C. Mehta case. 1. On 5 December 2024, the Court directed precautionary invocation of Stage III above AQI 350 and Stage IV above 400. 2. These directions permanently replaced the AQI bands in the CAQM schedule. 3. The Court relaxed these directions on 17 February 2025. Which of the statements given above is/are correct?

1 and 3 only. Statements 1 and 3 are correct. The 350/400 figures were precautionary judicial directions of 5 December 2024, relaxed "for the time being" on 17 February 2025. Statement 2 is wrong because they were separate from the schedule bands and did not replace them. The schedule bands remain 401-450 for Stage III and above 450 for Stage IV.

Under the CAQM schedule of the Graded Response Action Plan (GRAP), Stage III (“Severe”) applies to which Air Quality Index range?

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Question 5 of 5

Under the CAQM schedule of the Graded Response Action Plan (GRAP), Stage III (“Severe”) applies to which Air Quality Index range?

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