Delhi: GRAP-3 curbs imposed as 26 monitoring stations record ‘severe’ air quality
· Scroll
The Commission for Air Quality Management on Friday imposed Stage 3 restrictions under the Graded Response Action Plan in Delhi and the National Capital Region as a precautionary measure after air quality deteriorated towards the “severe” category.
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GRAP is a set of incremental anti-pollution measures that are triggered to prevent further worsening of air quality once it reaches a certain threshold in Delhi-NCR.
As of 5.05 pm, Delhi recorded an average AQI of 380, according to the Sameer application, which provides hourly updates published by the Central Pollution Control Board.
Twenty-five of the 58 active monitoring stations recorded “severe” air quality, while one recorded “severe plus” levels. Punjabi Bagh recorded the highest AQI at 453, followed by Jahangirpuri at 447 and Rohini at 444.
An index value between 0 and 50 indicates “good” air quality, between 51 and 100 indicates “satisfactory” air quality and between 101 and 200 indicates “moderate” air quality. As the index value increases further, air quality deteriorates. A value of 201 and 300 means “poor” air quality, while between 301 and 400 indicates “very poor” air.
Between 401 and 450 indicates “severe” air pollution, while anything above the 450 threshold is termed “severe plus”.
The cities adjoining the capital also recorded “poor” to “very poor” air quality. While Noida recorded an AQI...