摘要
基于2016~2020年上海市金山区大气中PM_(2.5)及PM_(10)监测数据,对PM_(2.5)、PM_(10)及其比值进行年度、月度等类型的污染特征分析。分析结果表明:金山区近五年PM_(2.5)及PM_(10)年均浓度呈明显的下降趋势,月度变化呈现冬春季节浓度高于夏秋季节的趋势,日变化呈双峰型;金山区PM_(2.5)/PM_(10)比值较大,细颗粒物比例较高,大气颗粒物中PM_(2.5)的污染问题相对突出,应进一步重视PM2.5的污染减排与防治工作。
Based on the monitoring data of PM_(2.5) and PM_(10) in Jinshan District of Shanghai from 2016 to 2020, the annual, monthly and other pollution characteristics of PM_(2.5), PM_(10) and PM_(2.5)/PM_(10) were analyzed. The results show: The concentrations of PM_(2.5) and PM_(10) in Jinshan District showed a significant downward trend in recent five years, the concentrations in winter and spring were higher than those in summer and autumn, and the daily variation showed a bimodal pattern. PM_(2.5) accounts for a large proportion of PM_(10) in Jinshan District, the air pollution problem of PM_(2.5) is relatively prominent, we should pay more attention to the pollution reduction and prevention of PM_(2.5).
作者
倪超琼
朱慧芸
Ni Chaoqiong;Zhu Huiyun(Auto Monitoring Department Jinshan District Environmental Monitoring Station,Shanghai 200540,China)
出处
《广东化工》
CAS
2021年第11期131-132,136,共3页
Guangdong Chemical Industry
