Syllabus: GS-III, Subject: Environment, Ecology and Disaster Management, Topic: Pollution, Issue: Air Pollution
Context: withdrawal of all measures to control pollution in Delhi-NCR, on the account of improvement in air quality.
Air Quality Index (AQI):
- It is a measure of air quality. The higher the AQI, the worse the air.
- There are six categories of AQI, namely ‘Good’ (0-50), ‘Satisfactory’ (50-100), ‘Moderately polluted’ (100-200), ‘Poor’ (200-300), ‘Very Poor’ (300-400), and ‘Severe’ (400-500).
- The pollutants measured include PM 10, PM 2.5, NO2, SO2, CO, O3, NH3, and Pb.
Graded Response Action Plan or GRAP:
- It is a set of emergency measures used to prevent deterioration of air quality in the Delhi-NCR region.
- Implemented by the Commission for Air Quality Management (CAQM)
Prelims Connect : (Institutions in News)
Commission for Air Quality Management (CAQM)
- It is a statutory body.
- Established under Commission for Air Quality Management in National Capital Region and Adjoining Areas Act, 2021
- Responsible for forming air pollution reduction strategies for the region and overseeing their implementation.
- Replaced the Environment Pollution (Prevention and Control) Authority (EPCA).
