Environment · GS3.5, GS2.3, GS2.1 · 2026-10-22 · 3 min read · 2026-10-22-am

CAQM Reviews Dust Pollution and Enforces GRAP Stage-I in Delhi-NCR

The Commission for Air Quality Management (CAQM) held a meeting with Delhi government agencies on 21 October 2026 to review dust pollution and strengthen mitigation efforts. Simultaneously, CAQM invoked Stage-I of the Graded Response Action Plan (GRAP) due to poor air quality, triggering 25 specific pollution control actions across Delhi-NCR.

CAQM's coordinated enforcement of dust mitigation and GRAP Stage-I actions aims to control Delhi's poor air quality and ensure compliance by all agencies.

Why is this in the news?

On 21 October 2026, CAQM chaired a meeting with Delhi government agencies to review dust pollution and simultaneously invoked Stage-I of GRAP due to a sharp rise in Delhi's Air Quality Index (AQI).

[1] Press Information Bureau[2] Press Information Bureau

What actions did CAQM direct to mitigate dust pollution in Delhi?

  • Meeting leadership. The meeting was co-chaired by Shri Rajesh Verma, Chairperson of CAQM, and the Chief Secretary of GNCTD to coordinate dust pollution mitigation.
  • Strict compliance enforcement. CAQM emphasized strict compliance with its Statutory Directions and directed the Municipal Corporation of Delhi (MCD) to strengthen dust mitigation on roads and open areas.
  • Monitoring and accountability. District Magistrates of GNCTD were tasked with monitoring compliance and ensuring on-ground implementation of dust mitigation measures.
  • Construction sector regulation. Departments involved in construction were instructed to enforce dust mitigation measures like wind barriers and dust screens, especially for digging work, with strict action against violations.
  • Coordination among agencies. Delhi Pollution Control Committee (DPCC) was directed to ensure close coordination among all concerned agencies for effective air pollution mitigation.

[1] Press Information Bureau

What is Stage-I of GRAP and what measures were invoked?

  • Trigger for Stage-I. Stage-I of GRAP was invoked when Delhi's daily average AQI reached 244-245, categorized as 'Poor' (AQI 201-300).
  • Scope of Stage-I actions. All 25 action points under Stage-I were implemented across the entire NCR to prevent further deterioration of air quality.
  • Key measures include dust control. Measures include enforcement of dust mitigation in construction and demolition activities, mechanized road sweeping, water sprinkling, and prohibition of open burning of biomass and waste.
  • Vehicle and traffic regulations. Strict enforcement of PUC norms, impounding polluting vehicles, diversion of non-destined truck traffic via peripheral expressways, and banning overaged vehicles were mandated.
  • Industrial and DG set regulations. Inspection and penal action against non-compliant industries, strict emission norms for thermal power plants, and regulated operation of diesel generator sets were enforced.
  • Public awareness and citizen cooperation. IEC activities, mobile apps for pollution reporting, promotion of public transport, and eco-friendly festival celebrations were encouraged.

[2] Press Information Bureau

How does CAQM ensure enforcement and coordination among agencies?

  • Statutory Directions. CAQM issues Statutory Directions that all concerned agencies must strictly comply with and implement.
  • Monitoring by District Magistrates. District Magistrates are responsible for monitoring compliance within their jurisdictions and ensuring on-ground implementation.
  • Inter-agency coordination. DPCC coordinates among agencies, while CAQM oversees enforcement and takes strict action against violations.
  • Use of technology. Mobile apps like 311 App, Green Delhi App, and SAMEER App facilitate public reporting and quick redressal of pollution complaints.

[1] Press Information Bureau[2] Press Information Bureau

Key numbers

FigureWhat it measuresSource
244-245Daily average Air Quality Index (AQI) of Delhi triggering Stage-I of GRAP

[2] Press Information Bureau

25Number of action points invoked under Stage-I of GRAP

[2] Press Information Bureau

07.10.2026Date when MCD was directed to appear before CAQM with dust mitigation details

[1] Press Information Bureau

Back to basics: Graded Response Action Plan (GRAP)

GRAP is a set of pollution control measures implemented in stages based on the Air Quality Index (AQI) to mitigate air pollution in Delhi-NCR. It prescribes specific actions for different AQI categories, such as dust control, vehicle restrictions, and industrial regulations, to prevent worsening air quality and protect public health.

Practice: MCQ, Mains and revision

Prelims MCQ

Consider the following statements about CAQM and GRAP in Delhi-NCR: 1. CAQM invoked Stage-I of GRAP when Delhi's AQI entered the 'Poor' category (201-300). 2. The Municipal Corporation of Delhi (MCD) is responsible for monitoring compliance with GRAP across the entire NCR. Which of the statements given above is/are correct?

  1. 1 only
  2. 2 only
  3. Both 1 and 2
  4. Neither 1 nor 2
Answer and trap

Answer: (a). Statement 2 is incorrect because while MCD has responsibilities within its jurisdiction, overall monitoring and enforcement involve multiple agencies including District Magistrates and DPCC.

Mains question (15 marks)

Examine the role of the Commission for Air Quality Management (CAQM) in enforcing pollution control measures in Delhi-NCR with reference to the recent invocation of Stage-I of GRAP.

Examine: Explain CAQM's functions, the mechanism of GRAP enforcement, and its impact on air quality governance in Delhi-NCR.

Intro: Introduce CAQM as a statutory body responsible for air quality management in NCR and adjoining areas.

  • Describe the trigger and implementation of Stage-I of GRAP based on AQI levels.
  • Explain CAQM's coordination with Delhi government agencies and enforcement of statutory directions.
  • Discuss specific pollution control measures under GRAP and their significance.
  • Highlight monitoring mechanisms and public participation tools used by CAQM.

Conclusion: Conclude by emphasizing CAQM's role in strengthening environmental governance and pollution mitigation in Delhi-NCR.

Quick revision

What AQI range triggers Stage-I of GRAP in Delhi?
Stage-I of GRAP is triggered when Delhi's AQI ranges between 201 and 300, categorized as 'Poor'.
Who co-chaired the CAQM meeting on dust pollution held on 21 October 2026?
The meeting was co-chaired by Shri Rajesh Verma, Chairperson of CAQM, and the Chief Secretary of GNCTD.
What are some key dust mitigation measures directed by CAQM?
Key measures include strengthening dust control on roads, enforcing dust mitigation in construction activities, and ensuring coordination among agencies.

Updates

Sources

  1. [1] Press Information Bureau: CAQM holds meeting with Delhi Government agencies to review Dust Pollution issues and strengthen Air Pollution Mitigation · 2026-10-21 · official
  2. [2] Press Information Bureau: CAQM invokes Stage-I of GRAP in Delhi-NCR with immediate effect amid sharp rise in AQI · 2026-10-21 · official