摘要
利用梧州市4个空气质量监测站点网上公开发布的2015~2016年连续两年的颗粒物及气态污染物在线观测数据对该市大气污染状况进行分析,结果表明:梧州市2015~2016年环境空气质量达标率为93.3%,空气质量总体良好;大气污染以颗粒物为主,2015~2016年梧州市PM2.5年均浓度分别为36μg/m^3、39μg/m^3,均超出国家二级标准(35μg/m^3);梧州市颗粒物浓度的空间分布并无明显差异;PM2.5季节变化规律为冬季>秋季>春季>夏季,PM10季节变化规律为冬季>春季>秋季>夏季;PM2.5/PM10逐年增加,梧州市颗粒物污染逐渐由粗颗粒物污染向细颗粒物污染转变。
The status of air pollution in Wuzhou city was based on the published online observation data of atmospheric particulate matters and gaseous pollutants at tour air quality monitoring stations during 2015 and 2016. It is found that the air qualification rate of Wuzhou city from 2015 to 2016 was 93.3 %, and the particulate matters were the key air pollutant in Wuzhou. The annual average PM2.5 concentrations in 2015 and 2016 were respectively 36 μg/m^3 and 39 μg/m^3, which beyond the national grade Ⅱ standard （35 Ⅱg/m^3）. There was no obvious difference in the special distribution of the particulate matters concentration in Wuzhou. The PM2.5 concentration was highest in winter, followed by autumn, spring and summer, while the PM10 concentrations were in the order of winter〉spring 〉autumn〉summer. PM2.5/PM10 increases year by year, the particulate matter pollution in Wuzhou city converts from coarse to fine particulate matter pollution gradually.
出处
《广东化工》
CAS
2017年第10期143-145,150,共4页
Guangdong Chemical Industry
基金
梧州市科学研究与技术开发项目(201502010
2015D11006)
肇庆学院科研启动基金项目(611-221616)
