城市园林植物滞尘能力及对 PM_2.5 的短期消减作用研究

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文章编号：1674-6139（2026）03-0089-04

中图分类号：X511文献标志码：B

Analysis on Dust Retention Ability of Urban Landscaping Plants and Their Short-term Reduction Effect on PM2.5

LiuLili，WangChunwei

（Central&Southern China Municipal Engineering Designand Research Institute Co.，Ltd.，Wuhan 430o10，China）

Abstract：Analyzing thedust retentioncapacityof urban landscaping plantsand their short-termreduction fecton PM2.5 （fine particulatemater）canprovideabasisforoptimizingtheconfigurationofurbanlandscapingplantsandimprovingairqualityTerefore， thisstudyselectedfourrbangardenplantcomnitiesihdferentrucurespureforests，hubs，aes，awns）iainity experimentalsites，andsetupcontrolsamplingpointsonthebaregroundaroundthesamplesitesinthesuroundingsquares.Bymeasur ing the dust retention capacity and PM2.5 reduction rate of the leaves，this paper analyzes their dust retention ability and short-term reductionefect.TheresultsshowedtatPiustabulaefoishadtestrongestustretentionabilty，whileSalixmatsudanahdthewea kest.The structure community of shrub has the best efect on reducing PM2.5 ；Urban garden plants canactively absorb PM2.5 ，and the communityinplot2hasthestrongestshort-termreductionabiltyVerificationshowsthaturbangardenplantshaveasignifcaneffect on reducing PM2，5 ：

Key words：urban landscape plants；dust retention ability； PM2.5 ；short term reduction effect；shrub

前言

当前， PM2.5 是国内城市首要空气污染物[1]。（剩余3914字）