关于柳州市空气中颗粒物PM_(10)和PM_(2.5)污染水平的分析

Analysis on Pollution Level of the Airborne Particulate Matter( PM_(10),PM_(2. 5)) in Liuzhou City

为了初步调查柳州市空气中颗粒物PM10、PM2.5的污染水平,于2013年春、夏、秋、冬4季在柳州市的6个典型城市功能区进行数据采集。结果表明,柳州市PM10和PM2.5污染很严重,超标率分别为12.6%和35.1%,而且对人体健康危害更大的PM2.5占PM10的大部分,约为79.55%,应引起公众和相关职能部门的高度重视,且应在PM2.5问题上重点寻求突破。

For preliminary investigation of pollution levels of airborne particulate matter in Liuzhou City, samples were collected at six typical functional areas of Liuzhou City during the spring, summer, autumn and winter in the year 2013. The results indicate that the pollution by PM10 and PM2.5 is quite serious. The rates exceeding the standards are 12. 6% and 35.1% for PM10 and PM2.5 . The PM2.5 fraction, which is more harmful to human health, accounts approximately 80. 04% of the PM10. It should bring to high attention of the public and the related functional sectors, We should focus on the follow - up to seek a breakthrough in Liuzhou on PM2.5 problem.