China to cut PM2.5 by 4 pct in key cities over winter

Created 29 October 2021
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China aims to cut concentrations of hazardous, small airborne particles known as PM2.5 by an average of 4 percent year on year this winter in main cities where it is trying to tackle pollution, the environment ministry said on Friday.
China to cut PM2.5 by 4 pct in key cities over winter

The Ministry of Ecology and Environment (MEE) said in a notice that it would also strive to reduce the number of smoggy days in the cities by an average of two.

China's 2021-22 winter campaign against pollution will focus on as many as 64 cities throughout the industrialised, smog-prone north, the ministry said in September.

Wu Xianfeng, an official with the ministry's Atmospheric Environment Department, told a briefing that "more sophisticated measures" would be used to curb smog, instead of blanket closures of factories.

China's air quality has improved steadily since it declared war on pollution in 2014 in response to growing public alarm about the hazardous industrial emissions that regularly drifted across northern cities.

In the first three quarters of this year, PM2.5 in 339 cities nationwide fell 6.7 percent on the year to 28 micrograms per cubic meter. China aims to keep the national average at 34.5 micrograms this year, in line with its "interim" air quality standard of 35 micrograms.

In guidelines published in September, the World Health Organization said average annual PM2.5 levels should be no more than 5 micrograms, half its previous recommendation.

China's anti-smog program is likely to come under scrutiny this winter after an unexpected energy crunch forced authorities to secure more coal for power generation. China has vowed to clamp down on high-energy consuming enterprises in order to guarantee residential heating and energy.

"As a developing country, China is currently facing the arduous tasks of developing the economy, improving people's livelihoods, and maintaining energy security," Sun Zhen, an official with the ministry's climate department, told a Wednesday briefing.

"There are still many practical difficulties and challenges in adjusting the energy structure, which cannot be accomplished overnight," he said.

Source: VNE

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