“十三五”期间宁夏石嘴山市环境空气质量探究

Study on Ambient Air Quality of Shizuishan City in Ningxia during the 13th Five Year Plan Period

根据石嘴山市“十三五”期间(2016-2020年)环境空气监测数据,分析了石嘴山市环境空气质量优良天数、主要污染物浓度变化、废气污染物排放量变化趋势及原因等。结果显示,“十三五”期间,石嘴山市生态环境质量整体有所改善,但是以PM_(10)和PM_(2.5)为首要污染物的污染天数占比仍然较大,且臭氧污染形势严峻。针对石嘴山市环境空气质量现状,提出了相应对策和建议。

According to the ambient air monitoring data during the 13th Five Year Plan period(2016-2020)of Shizuishan City,the number of days with excellent ambient air quality,the concentration change of major pollutants,the change trend and causes of exhaust gas pollutant emissions in Shizuishan city are analyzed.The results show that during the 13th Five Year Plan period,the overall ecological environment quality of Shizuishan City has improved,but the proportion of pollution days with PM_(10) and PM_(2.5) as the primary pollutants is still large,and the ozone pollution situation is severe.According to the present situation of ambient air quality in Shizuishan city,the corresponding countermeasures and suggestions are put forward.