Monday , March 20 2023

Air quality in Delhi becomes severe


Delhi air quality has become severe until the evening, as the pollution level has increased again due to unfavorable weather conditions, even as a working force of the pollution observer, the CPCB recommended the entry of heavy vehicles into the city and the construction activities only between 6 o'clock and 18 o'clock.

The supreme court called EPCA also allowed the entry of those vehicles that are blocked at the Delhi border, anticipating the situation by handing over over 1,000 lorries, becoming "residents", saying they would be exempt from paying payment or environmental clearing fee (CEC) from 11:00 on November 12th to 7am on November 13th.

They said that by relaxing the toll payment toll, trucks can move without stopping, which will reduce congestion and reduce pollution. Environmental Policy Control Authority (EPCA), however, said that "no new trucks will be accepted" in national capital due to the deterioration of air quality.


The heavy vehicle entry ban was imposed between November 8 and November 11, but was later extended by one day by the agency designated by the Supreme Court on the basis of the recommendations of a Central Working Group on Pollution Control (CPCB), the quality the air in the capital.

According to CPCB, the overall air quality index (AQI) of the national capital was 406, which is in the severe category.

The PM2.5 content (particles in the air less than 2.5 microns in diameter) was recorded at 263 on Monday, while PM10 (particles in air of less than 10 microns in diameter) was recorded at 457.

Ninety areas in Delhi recorded severe air quality, while 17 areas showed very poor air quality, added CPCC, adding Ghaziabad, Faridabad, Greater Noida and Noida, recording severe air quality over time what Gurgaon has made improvements.

An AQI between 0 and 50 is considered "good", 51 and 100 "satisfactory," 101 and 200 "moderate", 201 and 300 "poor", 301 and 400 "very poor" and 401 and 500 "severe".

Satellite images by Centrerun's Air Quality Monitoring and Forecasting System (SAFAR) showed a moderate number of burns, contributing to seven percent pollution in Delhi's PM2.5. Authorities have attributed poor air quality to adverse weather conditions, such as low wind speeds.

SAFAR said the situation is likely to improve until Tuesday, but will remain very weak.

"The impact associated with stubble continues to remain nominal due to slow-moving winds," he said.

EPHA President Bhure Lal said in a letter addressed to the joint police commissioner that all trucks at the border of the national capital would be able to enter the city but would not be required to stop and pay the charge or the compensation fee for the environment) from 11 pm, November 12 to November 7, November 13.

"By relieving ECC road tax, trucks can travel without stopping, which will reduce congestion and reduce pollution. The SDMC is committed to issuing the necessary orders so that no CECs or tolls are collected for this limited period" , the letter said.

He also said that "no new truck will be accepted in the city, and Delhi police will increase labor at all entry points to ensure there is no congestion.

"We will continue this restriction so that there will be a widespread diversion of trucks on the west and east highways and other roads," the letter said.

Meanwhile, the working group led by the CPCB said on Monday that heavy vehicles and construction activities would be allowed in Delhi barely between 6:00 and 18:00 to avoid poor dispersion of pollutants at night.

The Working Group of CPCB members, the Delhi Pollution Control Committee and the Haryana Pollution Control Board, among other things, made recommendations for low pollutant dispersion, low temperatures and high humidity during the night.

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