摘要
利用2018—2021年安徽省空气质量监测数据分析了PM_(2.5)和O_(3)时空分布特征及其引发的健康风险。结果表明:从时间分布来看,2018—2021年安徽省PM_(2.5)年均值下降25.5%,而O_(3)-8 h年均值则保持持平;PM_(2.5)和O_(3)-8 h月均值具有明显的季节变化特征,PM_(2.5)月均质量浓度和超标天数均在冬季达到最大值,O_(3)-8 h月均值和超标天数则在夏季达到最大值。从空间分布来看,PM_(2.5)、O_(3)-8 h年均值和超标天数均为皖北最高,其次为皖中,最后为皖南。夏季O_(3)是主要的健康风险因子,冬季PM_(2.5)是主要的健康风险因子。当PM_(2.5)超标时,除2021年皖北地区外(PM10是主要的健康风险因子),PM_(2.5)均是主要的健康风险因子;当O_(3)-8 h超标时,O_(3)是主要的健康风险因子。
According to the air quality monitoring data in Anhui Province from 2018 to 2021,this paper analyzed the temporal and spatial characteristics of PM_(2.5)and O_(3) and their health risks.The study suggested that from the perspective of time distribution,the annual average values of PM_(2.5)in Anhui Province decreased by 25.5%from 2018 to 2021,while the annual average values of O_(3)-8 h remained unchanged;the monthly average mass concentrations of PM_(2.5)and O_(3)-8 h had obvious seasonal variation characteristics;the monthly average mass concentration and exceeding days of PM_(2.5)reached the maximum value in winter,while the monthly average mass concentration and exceeding days of O_(3)-8 h reached the maximum value in summer.From the perspective of spatial distribution,the annual average concentrations and exceeding days of PM_(2.5)and O_(3)-8 h were the highest in northern Anhui,followed by central Anhui,and finally southern Anhui.O_(3) was the main health risk factor in summer and PM_(2.5)was the main health risk factor in winter.When PM_(2.5)exceeded the standard,except for northern Anhui in 2021(PM10 was the main health risk factor),PM_(2.5)was the main health risk factor;When O_(3)-8 h exceeded the standard,O_(3) was the main health risk factor.
作者
逄妮妮
赵旭辉
王含月
王倩
PANG Nini;ZHAO Xuhui;WANG Hanyue;WANG Qian(School of Earth and Environment,Anhui University of Science and Technology,Huainan 232001,China;Anhui Ecological Environment Monitoring Center,Hefei 230071,China)
出处
《中国环境监测》
CAS
CSCD
北大核心
2024年第2期132-140,共9页
Environmental Monitoring in China
基金
安徽省高等学校科学研究项目(2022AH050819)
安徽理工大学高层次引进人才科研启动基金资助项目(2021yjrc46)。
