SF Prep Notes

CAQM revokes GRAP Stage-IV in NCR as Delhi's AQI improves to 271

The Commission for Air Quality Management revoked GRAP Stage-IV curbs across the NCR on 24 December 2025 after Delhi's average AQI improved to 271 ('Poor').

Summary

The GRAP Sub-Committee of the Commission for Air Quality Management in NCR and Adjoining Areas (CAQM) revoked all Stage-IV actions under the Graded Response Action Plan across the NCR on 24 December 2025, after Delhi's average AQI improved to 271 ('Poor') on the back of higher wind speeds. Stage-IV had been invoked on 13 December 2025 when Delhi's average AQI crossed 450. Actions under Stages III, II and I of the GRAP schedule (November 2025) stay in force across the NCR.

Key facts

Date
24 December 2025
Body
CAQM Sub-Committee on GRAP
Delhi AQI
271 ('Poor')
Stage-IV invoked
13 December 2025 (AQI above 450)
Still in force
GRAP Stages III, II and I

Practice MCQs 2 questions

Q1 Advanced

GRAP Stage-IV, revoked across the NCR on 24 December 2025, had been invoked on 13 December 2025 when Delhi's average AQI crossed:

Show answer

Correct answer: D — 450

PIB 2208266: the Commission invoked Stage-IV on 13 December 2025 when Delhi's average AQI breached the 450 mark; it was revoked when the AQI improved to 271.

Q2

Which body revoked GRAP Stage-IV restrictions across the NCR on 24 December 2025?

Show answer

Correct answer: B — Commission for Air Quality Management

PIB 2208266: the Sub-Committee on GRAP of the Commission for Air Quality Management in NCR and Adjoining Areas (CAQM) revoked Stage-IV.

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