Ministry of Environmental Protection: The daily average of PM2.5 assessment of air quality inconsistent with international norms
January 19, 2009, the Beijing West Railway Station, being shrouded in fog. Recently, Beijing and its surrounding areas continued to experience heavy fog haze weather. China news agency reporter Liao Panshe
BEIJING, March 2 the State Council Information Office this morning held a press conference, Wu Xiaoqing, Vice Minister of Environmental Protection, ambient air quality standards . Foreign embassy in China on PM2.5 monitoring and publishing the Wu Xiaoqing respond that simple to evaluate the hours of air quality of PM2.5 daily mean and standard practices do not meet internationally accepted technical specifications, not only can not reflect true air quality situation in the region, but can not reflect the whole of Beijing’s air quality status.
the second half of 2011, Beijing and other cities after another haze “of PM2.5 began to enter the public eye. The U.S. Embassy and the Beijing Municipal Environmental Protection Bureau on monitoring data more accurate debate is allowed to become hot words.
“foreign embassy in China for reporters to monitor and publish on PM2.5 issue, Wu said, from a technical point of view, the monitoring of air quality should comply with the monitoring of technical requirements, which involves to the monitoring point layout, monitoring personnel qualification, analytical method selection and monitoring equipment selection and other factors, and to take strict data quality control and quality assurance measures, in order to ensure the accuracy of the monitoring data.
Wu Xiaoqing said, the only representative of a city’s daily air quality technical specification requirements in accordance with the monitoring, multiple monitoring points mean a number of indicators for monitoring control standards for the comprehensive evaluation, which including some foreign colleagues are aware and follow the principle.
“China is now to develop new air quality standards and new assessment of technical specifications is consistent with international standards and technical specifications,” said Wu Xiaoqing, Therefore, it is of PM2.5 the mean and standard to evaluate the air quality in the practice of the hour, do not meet internationally accepted technical specifications, not only does not reflect the true air quality situation in the region, but can not reflect the whole of Beijing’s air quality status.
said Wu Xiaoqing, technical requirements in accordance with the newly released, Beijing will be released in real time the concentration of each monitoring point of PM2.5 and PM10, sulfur dioxide, nitrogen dioxide, ozone, carbon monoxide, six pollutants and score the number of air quality monitoring results will be more comprehensive and more representative.
should also be noted that, emplaced air environment quality monitoring sites in Beijing covering foreign embassies region should be able to meet all of the public, including China, including embassy staff to understand Beijing air quality needs. “Wu said. (According to the China Network Live finishing)
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