The GRAP was first notified in January 2017 by the Ministry of Environment, Forest and Climate Change. This was based on a plan that was submitted by the Central Pollution Control Board (CPCB) in November 2016. The Commission for Air Quality Management in NCR and Adjoining Areas (CAQM) was constituted through the CAQM Act, 2021, which came into force in the same year on April 13. What Are The Restrictions Under GRAP IV? The following measures have been enforced in Delhi under GRAP IV ... In response to worsening air quality in Delhi-NCR, the Commission for Air Quality Management (CAQM) has decided to activate Stage IV of the Graded Response Action Plan ( GRAP ) from today. The Commission for Air Quality Management (CAQM) has reintroduced GRAP - 4 (Graded Response Action Plan - Stage 4 ), the strictest anti-pollution measures in Delhi, after the air quality in the national capital breached the 400 mark again. CAQM had earlier imposed GRAP -3 restrictions on Monday citing "highly unfavourable meteorological conditions, including calm winds and very low mixing height". What is GRAP - 4 ? An AQI above 400 is considered hazardous, impacting even healthy individuals and posing serious risks to those with existing health conditions.
