CAQM revokes GRAP Stage-I across NCR as Delhi AQI improves to 129
The CAQM Sub-Committee on GRAP revoked Stage-I of the Graded Response Action Plan across the entire NCR on 23 May 2025 after Delhi's AQI improved to 129 ('Moderate').
Summary
The Sub-Committee on the Graded Response Action Plan (GRAP) of the Commission for Air Quality Management in NCR and Adjoining Areas (CAQM) revoked Stage-I of GRAP in the entire National Capital Region with immediate effect on 23 May 2025. Stage-I had been in force since 21 May 2025. The decision followed a significant improvement in Delhi's daily average AQI, recorded at 129 ('Moderate') on 23 May as per the CPCB bulletin, and IMD/IITM forecasts that air quality would mainly remain 'Moderate' in the coming days.
Key facts
- Decision
- GRAP Stage-I revoked in entire NCR, 23 May 2025
- Decided by
- CAQM Sub-Committee on GRAP
- Stage-I in force since
- 21 May 2025
- Delhi AQI on 23 May
- 129 ('Moderate'), CPCB bulletin
- Forecast basis
- IMD/IITM
Practice MCQs 2 questions
What was Delhi's AQI on 23 May 2025, when the CAQM revoked GRAP Stage-I across NCR?
Show answer
Correct answer: C — 129 ('Moderate')
Delhi's AQI was 129, in the 'Moderate' category, as per the CPCB bulletin.
Consider the following statements about the revocation of GRAP Stage-I in May 2025: 1. Stage-I had been in force in the NCR since 21 May 2025. 2. The decision was taken by the Central Pollution Control Board. Which of the statements given above is/are correct?
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Correct answer: A — 1 only
Statement 1 is correct. Statement 2 is wrong: the decision was taken by the CAQM Sub-Committee on GRAP; CPCB provides the AQI bulletin.