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Ban On Diesel Generators, Brick Kilns Lifted As Delhi Air Improves: Environment Pollution Control Authority

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Starting today, the Badarpur power plant that has been shut for over four months can start temporary operation, ban on diesel generators will be lifted, and hundreds of brick kilns can resume production due to "some visible improvement" in air quality in Delhi, the Supreme Court-appointed Environment Pollution Control Authority (EPCA) today said. On October 17 last year, the EPCA had imposed the measures under the Graded Response Action Plan (GRAP) to combat pollution in the city ahead of the winter.

The EPCA yesterday said its action plan category has been changed. "The GRAP category of 'very poor' and 'severe' will be lifted, starting March 1. So, the restrictions imposed in the city last October will also be lifted. However, the category now would be 'moderate to poor' until we EPCA further upgrade it," EPCA member Sunita Narain said. Ms Narain, also the director general of the Centre for Science and Environment (CSE), said, at a press conference, "There is some visible improvement in air quality, but still a long way to go to achieve clean air. It is not safe to breathe yet."

Since October 17, the Badarpur power plant has been shut, use of diesel generators banned, and hundreds of brick kilns were ordered to stop production in Delhi under the GRAP. Only those brick kilns, which have implemented the zigzag technology that helps reduce black carbon emission, were allowed to function. Ms Narain and EPCA chairman Bhure Lal, who too addressed the reporters, released a 'Report card on Delhi's air pollution' and enunciated the measures to be taken by the EPCA from March onwards.

The Badarpur plant in south Delhi would be "permanently closed" from July this year, the EPCA said. "About 1,400 brick kiln owners have submitted affidavits to EPCA undertaking commitment to shift to improved-zigzag kiln technology by April 2018. Roughly, 600 have converted. By July 1, 2018, only zigzag technology-compliant kilns will be allowed to operate ," Ms Narain said.

Asked if the recent 'Clean Air Campaign', jointly organised by the Environment Ministry and the Delhi government, had any impact on the air quality, Ms Narain said, "Let's not talk about taking credit. It is a result of combined action by all people." The Air Quality Index in Delhi stood at 259 'poor' yesterday evening. Under the GRAP, measures under 'very poor' and 'severe' categories are rolled out when levels of PM 2.5 are between 121-250 microgrammes per cubic metre ( g/m3) and above 250 g/m3 respectively. PM10 levels have to be between 351-430 g/m3 and above 430 g/m3 respectively. The EPCA said the data from the period October 1, 2017 to February 25, points to a slight improvement in air quality levels.

But there is a word of caution as comparison of PM2.5 concentrations at four monitoring stations -- Mandir Marg, Punjabi Bagh, R K Puram and Anand Vihar shows that the impact is "not visible yet". Pollution levels remain high. The data on the hot-spot pollution areas, in particular Anand Vihar, also shows that pollution levels are "extremely high" and do not show any sign of improvement, Narain said.

Author: sustainabilityoutlook