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As Delhi air quality improves, ban lifted on non-BS VI diesel cars and entry of trucks

As Delhi air quality improves, ban lifted on non-BS VI diesel cars and entry of trucks

As Delhi air quality improves, ban lifted on non-BS VI diesel cars and entry of trucks
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By Parikshit Luthra  Nov 6, 2022 7:12:04 PM IST (Published)

Delhi's air pollution levels ameliorated marginally to the lower end of the "very poor" category on Sunday. GRAP is an emergency response action plan aimed at arresting further deterioration of adverse air quality in the National Capital Region.

The Centre for Air Quality Management (CAQM) — the government's air quality panel — on Sunday revoked an order to ban the plying of non-BS VI diesel light motor vehicles in Delhi under anti-pollution curbs. The ban was brought into force last week under Stage IV of the Graded Response Action Plan (GRAP) — an emergency response action plan aimed at arresting further deterioration of adverse air quality in the National Capital Region (NCR).

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The development comes in view of improvement in the quality of air in the national capital, which has been grappling severe levels of pollution owing to factors such as stubble burning in neighbouring states.
The restrictions in force under on the first three stages of GRAP, however, remain in force. Stage III restrictions include a ban on construction and demolition activities except in essential projects.
The sub-committee on GRAP announced the decision after a meeting on Sunday to review the air quality situation in the region.
"As the present AQI (air quality index) level of Delhi is around 339, about 111 AQI points below the threshold for invoking the GRAP Stage-IV actions (Delhi
AQI > 450) and preventive/mitigative/restrictive actions under all Stages up to Stage-IV are underway, there is a likelihood of sustaining the improvement in AQI," said RK Agrawal, Member and Convenor of the sub-committee on GRAP.
"The forecast by IMD/IITM also do not indicate any steep degradation further," he said.
On Sunday, the degree of air pollution improved marginally, though still in the ”very poor” category, due to favourable wind speed and a drop in stubble burning. The 24-hour average air quality index improved to 339 as of 4 pm on Sunday from 381 the previous day, according to the Central Pollution Control Board.
The index had spiked to the 450 mark on Thursday — just a notch below the "severe plus" category, prompting authorities to invoke the final stage of anti-pollution curbs that included the ban on non-BS VI diesel light motor vehicles. 
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