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The first PM2.5 data air compliance rate in the Pearl River Delta will “declineâ€
Pearl River Delta Region First PM2.5 Data
Become the first city group to publish monitoring data according to new standards
From March 8th, 17 monitoring stations in the Pearl River Delta Region of Guangdong Province officially announced environmental air quality monitoring data including PM2.5, becoming the first in China to publish monitoring indicators and evaluate air according to the new Ambient Air Quality Standards. Quality city group.
Chen Guangrong, deputy director and spokesman of the Guangdong Provincial Environmental Protection Agency, said on the 8th that 10 stations in Guangzhou and 18 sites in Shenzhen also released PM2.5 data in the same period, but did not include the air quality index.
Data release will be divided into "four steps"
The Guangdong Provincial Environmental Information Integrated Publishing Platform released data on the seven indicators of the six pollutants and the air quality index (AQI) stipulated by the new national standards, including PM2.5, PM10, ozone, and carbon monoxide. The data was updated every hour. , Citizens can log in to the Guangdong Provincial Environmental Protection Public Network to inquire.
At the press conference held on the 8th, Chen Guangrong revealed that Guangdong released "four steps" in air quality monitoring data. The first step is to publish data on the Pearl River Delta Air Quality Monitoring Network and the local monitoring platforms of Guangzhou and Shenzhen on March 8. The second step is to publish air quality according to the new standard on 60 sites in the PRD before June 5 of this year. Monitoring data; The third step is to release air quality monitoring data according to the new standards by the end of 2013; Shaoguan, Shantou and Zhanjiang will release air quality monitoring data according to the new standards; the fourth step is that before the end of 2014, other cities in Guangdong will release air quality monitoring data according to the new standards.
Air compliance rate will "decline"
The reporter saw on the Guangdong Province Environmental Information Integrated Publishing Platform that the map shows the situation of the air quality of the Pearl River Delta through different colors and can also see the air quality of each site, such as PM2.5 pollution. The public can check the air quality of the area they live in, including PM2.5 data, and get travel and health guides.
At 8 am on the 8th, the reporter saw from the map that the concentration of PM2.5 in the core area of ​​the Pearl River Delta was higher than that in other regions. Click on the specific site, you can display the data of the average value of nearly one hour and the average value of nearly 24 hours.
“From our monitoring data for the past year, the annual average concentration of PM2.5 in Guangzhou, Foshan, Shenzhen, and Dongguan was between 37 and 47 μg/m3 in 2011, which is in line with the new standard of 35 μg/m3. Compared with the value of 6% to 34%, compared with the daily average concentration of 75 μg/m3, the over-standard rate of PM2.5 concentration is between 4% and 10%.†Chen Guangrong said, “Evaluation according to the new standard The rate of compliance with the standards of air quality in cities across the Pearl River Delta will decrease by 10% to 30%." But "the degree of PM2.5 pollution in the Pearl River Delta, or Guangdong Province, is relatively light compared to the region where China's economic development is quite comparable." Measures will be introduced to improve air quality as soon as possible. "In 10 years, there will be a major change in air quality in Guangdong."
New site optimization detection network layout
According to Zhong Liuju, deputy director of the Guangdong Provincial Environmental Monitoring Center, 17 monitoring stations in Guangdong Province are located in 9 cities and 1 district of the Pearl River Delta, including Guangzhou, Shenzhen, Zhuhai, Foshan, Zhongshan and Zhaoqing, etc. The main body is the Guangdong-Hong Kong Pearl River Delta Regional Air Quality Monitoring Network. Among the 16 substations, 12 substations are located in the Pearl River Delta. There are four sub-stations in Guangzhou, including Wuhu in the urban area, Moubasha in the urban area, and Zhudong Village in Tianhu and Huadu in Conghua.
The reporters found that compared to the existing PRD regional air quality monitoring network, the newly selected five sites except the provincial Environmental Protection Agency monitoring building at the top of the grinding disc sand station, all located in the Pearl River Delta region, respectively, Jiangmen, Heshan, Taishan , Huadu in Guangzhou and Boluo in Huizhou. The newly selected site has optimized the layout of the PRD air quality monitoring network.
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