Anantam IASCurrent Affairs · 21 November 2025

CAQM

Study Guides · Study Notes · Environment & Ecology · General Studies · GS III

Why in News?

The Supreme Court has permitted the Commission for Air Quality Management (CAQM) to take any proactive measure – even beyond the prescribed GRAP stages – to control severe pollution in Delhi-NCR.

This is significant because:

What Triggered the Supreme Court’s Intervention?

The Supreme Court responded by saying “Any proactive measure of CAQM to reduce air pollution is welcome”.

Thus, CAQM can now advance measures instead of waiting for pollution to worsen.

PYQ:

GS-III – 2021

Describe the key points of the revised Global Air Quality Guidelines (AQGs) recently released by the World Health Organisation (WHO). How are these different from its last update in 2005? What changes in India’s National Clean Air Programme are required to achieve these revised standards?

Practice Question

Q. Describe the major sources of air pollution in India. How can air quality be improved in urban areas?

What is GRAP?

GRAP Stages

  1. Stage I – AQI 201–300 (Poor)
  2. Stage II – AQI 301–400 (Very Poor)
  3. Stage III – AQI 401–450 (Severe)
  4. Stage IV – AQI > 450 (Severe+)

Normally, measures cannot be taken out of turn, but now the SC has allowed flexibility.

What Did CAQM Propose?

Short-term Measures (Immediate Winter Measures)

CAQM also highlighted concerns about sports events in schools during peak pollution.

Supreme Court’s Directions

1) CAQM can take any proactive measure, but must consult stakeholders

2) Direct state governments to:

3) SC will regularly monitor air pollution cases

Long-term Measures Proposed by CAQM

(1) Review of Electric Vehicle Policies

(2) Higher Environmental Cess

(3) No New Coal Power Plants Within 300 km of Delhi

(4) Waste Management Reforms