中国资源综合利用2025，Vol.43Issue(10)：175-177,3.DOI:10.3969/j.issn.1008-9500.2025.10.050
长春市大气PM2.5化学组分特征
Chemical Composition Characteristics of Atmospheric PM2.5 in Changchun City
国营 1郑荣钦 1丁晓鹏 1宋微 1李京瑾 1李雪花1
作者信息
- 1. 吉林省长春生态环境监测中心,长春 130012
- 折叠
摘要
Abstract
In order to study the chemical composition characteristics of atmospheric fine particulate matter(PM2.5)in Changchun city,PM2.5 and carbon components,water-soluble ions,and inorganic elements are continuously collected from the urban area of Changchun city from March 2023 to February 2024.The results showed that the average mass concentration of PM2.5 in Changchun city was(36.8±37.9)μg/m3,and the three components with the highest mass concentrations were Organic Matter(OM)(12.26 μg/m3),nitrate(5.60 μg/m3),and crustal elements(4.30 μg/m3).From the perspective of daily variation characteristics,the daily concentration changes of PM2.5 and its main components show significant diurnal differences,OM and Elemental Carbon(EC)reach their peak at night or early morning,while nitrate,sulfate,and ammonium salts peak around 09:00 and valley values all appear around 15:00.关键词
细颗粒物(PM2.5)/化学组分/大气/长春市Key words
fine particulate matter(PM2.5)/chemical components/atmosphere/Changchun city分类
环境科学引用本文复制引用
国营,郑荣钦,丁晓鹏,宋微,李京瑾,李雪花..长春市大气PM2.5化学组分特征[J].中国资源综合利用,2025,43(10):175-177,3.
