持续性雾霾气象灾害环境下大气颗粒物污染特征研究

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文章编号：1674-6139（2025）12-0128-05

中图分类号：X513文献标志码：B

Abstract：Tounderstandthecausesofpersistenthaze，thispaperevaluatestheimpactofhazeontheenvironmentandanalyzesthe characteristicsoftmospricparticulateaterplutionintecontetofpersistenthazemeteoroloicaldisastersSelectingcityith persistenthazeeteorologicaldssterssteesearcheaitalyzsthechangesinmospricparticulateateroncetationnd particlesizestrbutsellsractersticmpontsofmohcartiulateateItfottioofnt polutionsourcestoparticulatematerolutioTeesultsindicatetatinthontextofpersistenthazemeteorologialdisaste，th content of small and medium-sized particulate matter in the atmosphere is relatively high. NH4+ and NO3- account for a relatively high proportion in fine particulate pollutants.The contribution rates of transportation and coal-fired sources to PM2.5 particulate matter in the studyareaarerelativelyhigh，mainlyduetothelargetraficflowinthestudyareaandtheuseofcentralizedheatinginwinter.

KeyWords;sustainability；hazeweather；disasterenvironment；atmosphericparticulatemater；polutioncharacteristics

前言

持续性雾霾气象灾害不仅严重影响空气质量，还对生态环境和人类健康构成严重威胁[1]。（剩余5278字）