The Characteristics of Near Surface O3 Concentration in Taiyuan and Associated Factors Analysis
Based on the monitoring data of 8 national control environment monitoring stations in Taiyuan from 2015 to 2017,the daily,seasonal,annual and spatial distribution characteristics of O3 concentration in Taiyuan were analyzed.The results show that the trend of the O3 pollution is aggravated gradually in Taiyuan from 2015 to 2017.The daily variation characteristics are typical"unimodal",from 5:00 to 7:00 the O3 concentration is the lowest,while the highest is from 15:00 to 17:00.The O3 pollution is most serious in summer and spring,and the peak occurs mainly from May to July.the spatial distribution of O3 concentration shows an overall upward trend.The concentration of O3 was significantly negatively correlated with PM2.5,PM10 and its precursors CO and NO2.
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万方数据
