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Graded Response Action Plan

  • 31 Jul 2023
  • 4 min read

Source: PIB

Why in News?

Recently, the Commission for Air Quality Management in NCR & Adjoining Areas (CAQM) has announced a revision in the existing Graded Response Action Plan (GRAP) to combat air pollution in the region.

What is a Graded Response Action Plan (GRAP)?

  • About:
    • GRAP is a set of emergency measures that kick in to prevent further deterioration of air quality once it reaches a certain threshold in the Delhi-NCR region.
    • It was approved by the Supreme Court in 2016 after the Supreme Court’s order in the matter of M. C. Mehta vs. Union of India (2016) and notified in 2017.
  • Implementation:
    • From 2021 onwards, the GRAP is being implemented by the CAQM.
    • The EPCA was dissolved and replaced by the Commission for Air Quality Management (CAQM) in 2020.
    • CAQM relies on air quality and meteorological forecasts by the Indian Institute of Tropical Meteorology (IITM) and the India Meteorological Department (IMD).
  • Revision:
    • Stage I (Poor Air Quality - AQI 201-300): Enforce NGT / Hon’ble SC’s order on over aged diesel / petrol vehicles.
    • Stage II (Very Poor- AQI 301-400): Targeted actions to combat air pollution at identified hotspots in the region. Regulated operations of DG (Diesel Generators) have been set across all sectors in the NCR.
    • Stage III ('Severe'- AQI 401-450): Impose strict restrictions on BS III petrol and BS IV diesel four-wheelers in certain areas and may suspend physical classes in schools for primary grade children up to Class 5.
    • Stage IV (Severe Plus- AQI greater than 450): When the AQI exceeds 450, four-wheelers registered outside Delhi, except for electric vehicles, CNG vehicles, and BS-VI diesel vehicles and vehicle carrying essential commodity, will not be allowed to enter the city.

Note: An AQI is a number used by government agencies to measure the air pollution levels and communicate it to the population. As the AQI increases, it means that a large percentage of the population will experience severe adverse health effects.

What are the Government Initiatives to Combat Air Pollution?

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