摘要
根据阳泉市“十三五”期间(2016~2020年)环境空气监测数据分析阳泉市的环境空气质量,包括六项指标的超标情况、优良天数及占比、综合污染指数、环境质量变化趋势及变化原因等。“十三五”期间,市区二氧化硫、一氧化碳年均浓度五年稳定达标;二氧化氮、可吸入颗粒物、细颗粒物及臭氧五年均超标。
According to the environmental air monitoring data of Yangquan city during the 13th Five-Year Plan period(2016-2020),the environmental air quality of Yangquan city in recent five years was analyzed,including the exceedance of six indicators,good days and proportion,comprehensive pollution index,environmental quality change trend and change reasons,etc.During the 13th Five-Year Plan period,the annual average concentration of sulfur dioxide and carbon monoxide in urban areas reached the standard steadily for five years.Nitrogen dioxide,inhalable particulate matter,fine particulate matter and ozone exceeded the standard for five years.
关键词
空气质量
变化趋势
污染特征
变化原因
air quality
change trend
pollution characteristic
change reason