GRAP Stage 4 Imposed In Delhi As AQI Hits 'Severe': What's Open, What's Closed?
Date
12/16/2024 8:14:58 PM
(MENAFN- Live Mint) The government's Commission for Air Quality Management (CAQM) has imposed the strictest GRAP Stage 4 curbs in Delhi-NCR , late on December 16, according to a PTI report.
Curbs under the
winter air pollution control plan, include a ban on all construction activities, as the region's air quality deteriorated to 'severe' due to unfavourable weather conditions.
Stage 4 curbs under the Graded Response Action Plan (GRAP) for winters also include a ban on the entry of polluting trucks carrying non-essential goods into Delhi and mandatory shifting of school classes, except those for X and XII, to hybrid mode.
Delhi's 24-hour average Air Quality Index (AQI), which was 379 at 4 pm, breached the 400 mark around 10 pm amid extremely calm wind conditions and the buildup of an inversion layer, which adversely affects the vertical mixing height – the height up to which pollutants can disperse.
The decision to impose Stage 4 curbs came just hours after the Commission for Air Quality Management (CAQM) implemented restrictive measures under GRAP Stage 3, following Delhi's AQI breaching the 350 mark in the afternoon.
What's Open and What is Closed?
According to the revised GRAP schedule, classes for students in grades VI-IX and XI in Delhi, Gurugram, Faridabad, Ghaziabad and Gautam Buddh Nagar must operate in hybrid mode (physical and online) under Stage 4.
Classes up to grade V are required to shift to hybrid mode under Stage 3. Parents and students have the option to choose online education wherever available.
Stage 4 also includes a ban on all construction and demolition activities, including public projects like highways, flyovers, power lines, and pipelines. Non-essential diesel trucks are prohibited from entering Delhi.
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