银川市颗粒物污染特征分析
发布时间:2018-04-20 08:35
本文选题:环境科学 + 颗粒物 ; 参考:《环境科学与技术》2016年S2期
【摘要】:通过银川市2015年空气污染物质量浓度值分析,结果表明,PM_(10)和PM_(2.5)的浓度变化具有明显的季节特征和区域特征。PM_(10)质量浓度春季高于夏季,秋季最低,且PM_(2.5)质量浓度夏季略低于秋季,春季最低;PM_(10)和PM_(2.5)月均质量浓度变化均为1月份最大,9月份最小;PM_(10)和PM_(2.5)分指数等级冬季最差,PM_(10)分指数等级秋季好于夏季,PM_(2.5)分指数等级春季好于秋季;4#监测点各个季节PM_(10)浓度均表现为最高,5#监测点PM_(2.5)浓度有3个季节均为最高。
[Abstract]:Through the analysis of the concentration of air pollutants in Yinchuan City in 2015, the results showed that the concentration variation of PMSP _ (10) and PMSP _ (2.5)) had obvious seasonal and regional characteristics. The mass concentration in spring was higher than that in summer, and the lowest in autumn, and the mass concentration of PMSP _ (2.5) in summer was slightly lower than that in autumn. The monthly mean mass concentration changes are the highest in January and the smallest in September in September. The index grades are the worst in winter and the worst in winter. The index grade is better in autumn than in summer.) in spring, the index grade is better than that in autumn, and the index grade is better than that in autumn. The concentration of PMCs 10) was the highest in all the three seasons, and the concentration was the highest in all the three seasons.
【作者单位】: 宁夏回族自治区环境监测中心站;
【分类号】:X513
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