What is Graded Response Action Plan?
GRAP is a set of emergency measures that are activated once the air quality in the Delhi-NCR region, reaches a certain threshold. The plan, which was approved by the Supreme Court in 2016 and notified in 2017, was developed following several meetings with state government representatives and experts held by the Environment Pollution (Prevention and Control) Authority (EPCA). As a result, a plan that institutionalized measures to be implemented, when air quality deteriorated was developed.
GRAP is incremental in nature, so when air quality drops from 'poor' to 'very poor,' measures from both sections must be implemented. GRAP is activated when the AQI falls into the 'poor' category (201 to 300), Stage 2 when it falls into the 'Very poor' category (301-400), Stage 3 when it falls into the 'Severe' category (401-450), and Stage 4 when it falls into the 'Severe +' category.
Delhi Government actions towards increasing air pollution!
According to the order, the ban on diesel four-wheelers are applied in Delhi and NCR districts bordering the capital, except for BS-VI vehicles and those used for essential and emergency services. All diesel medium and heavy goods vehicles registered in Delhi are also prohibited from operating in the city, with the exception of those used for essential or emergency services.
Furthermore, under GRAP, all industries in the NCR that use fuels other than those approved for the NCR must close, with the exception of dairy units and those manufacturing medical equipment or drugs. Construction and demolition activities, including those on previously permitted linear public projects such as highways, roads, flyovers, pipelines, and power lines, are also prohibited.
How was GRAP different recently?
Previously, measures were implemented only after pollution concentrations reached a certain level; but now, measures are being implemented in advance and will be implemented based on forecasts in an attempt to keep air quality from deteriorating further. The CAQM relies on air quality and meteorological forecasts provided by the Indian Institute of Tropical Meteorology (IITM), and the India Meteorological Department for this purpose (IMD).
The older version of the GRAP was only enforced based on PM2.5 and PM10 concentrations. GRAP is now being enforced based on the AQI, which includes other pollutants such as ozone, sulfur dioxide, and nitrogen oxides.
How can we assist?
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