矿业城市空气质量评价及污染源分析

Air Quality Evaluation and Pollution Source Analysis in Mining Cities

对矿业城市空气质量进行评价和研究,是保护人们身体健康及治理城市大气环境污染的先决条件。通过收集并整理2020年淮南市空气质量浓度数据与气象数据,对空气质量浓度进行时间变化特征分析,然后对空气质量进行质量评价。结果表明:淮南市2020年大气中PM_(2.5)、PM_(10)、NO_(2)、SO_(2)、CO浓度整体上呈现为冬春高、夏秋低的变化规律;O_(3)浓度呈现为冬春低、夏秋高的变化规律;空气质量呈现为“春夏好,秋冬差”的规律。其中:PM_(2.5)、NO_(2)、CO、PM_(10)主要来源于工业污染与交通排放的混合源;O3主要来源于工业污染与天然污染的混合源;SO_(2)主要来源于工业污染源。

To evaluate and study air quality in mining cities is the prerequisite for protecting people's health and con⁃trolling air pollution in cities.By collecting and sorting out the air quality concentration data and meteorological data of Huainan city in 2020,this paper analyzes the characteristics of time change of air quality concentration,and then conducts quality evaluation of air quality.The results show that PM_(2.5),PM_(10),NO_(2),SO_(2)and CO concentrations in huain⁃an city in 2020 are high in winter and spring and low in summer and autumn,while O_(3) concentration is low in winter and spring and high in summer and autumn.PM_(2.5),NO_(2),CO and PM_(10) mainly come from the mixed sources of industri⁃al pollution and traffic emissions.O_(3) mainly comes from the mixed sources of industrial pollution and natural pollu⁃tion.SO_(2)mainly comes from industrial pollution sources.The air quality is good in spring and summer and bad in au⁃tumn and winter.