合肥市PM_(10)时空分布特征分析及控制对策

Analysis of Spatial and Temporal Distribution Characteristics of PM10and Related Control Countermeasures in Hefei

通过对2013年度合肥市5个监测站点的PM10各监测数值进行对比,分析了其时间与空间的污染特征。季节性分析得出合肥市PM10浓度值在夏季最低,冬季最高。年度小时均值分析得出一天中PM10浓度值分布呈双峰形态,在早上8-9点和晚上8-10点PM10浓度值达到峰值,下午2-3点PM10浓度值最低。针对合肥市PM10的污染来源及其影响因素,并对如何控制合肥市PM10的浓度值提出了建议。

Through the comparison of monitoring values of PM10 at five monitoring sites in Hefei by the year 2013,the article analyzes the pollution characteristics of time and space.The seasonal analysis finds out that concentration of PM10 is the lowest in summer which is the highest in winter.The average annual hour＇s analysis finds out that the distribution of the concentration of PM10 is in bimodal pattern.The concentration of PM10 reaches its peak at 8to 9in the morning and 8to 10 in the evening,while the concentration of PM10 is the lowest at 2to 3in the afternoon.The article analyzes the pollution source and influencing factors of PM10 and it puts forward suggestions on how to control the concentration of PM10 in Hefei.