摘要
根据文昌市2019年大气主要污染物监测数据,探析PM2.5、PM10、SO2、CO、NO2、O3等6种主要污染物浓度水平、日变化特征及季度变化特征。结果表明:文昌市空气质量总体优良,优良天数比例为96.6%,轻度污染天数比例为3.4%;文昌市大气主要污染物是O3,年均浓度值为100.83μg·m-3,其次为PM2.5、PM10;文昌市大气主要污染物存在明显的季节变化,6种污染物第4季度浓度值均为最大,其中O3浓度轻度污染也出现在第4季度。
Based on the monitoring data of major air pollutants in Wenchang City in 2019,Analyzed the concentration levels,daily and seasonal changes of 6 major pollutants including PM2.5,PM10,SO2,CO,NO2 and O3 were analyzed.The results showed that the air quality in Wenchang City was generally good,with 96.6%of good days and 3.4%of lightly polluted days;the main air pollutant in Wenchang was O3,with an annual average concentration of 100.83μg·m-3,followed by PM2.5,PM10;The main air pollutants in Wenchang City have obvious seasonal changes.The concentration values of the six pollutants in the fourth quarter are all the largest,of which light pollution of O3 concentration also appeared in the fourth quarter.
作者
宿少锋
薛杨
杜珊
王小燕
林之盼
雷湘龄
Su Shaofeng;Xue Yang;Du Shan;Wang Xiaoyan;Lin Zhipan;Lei Xiangling(Hainan Academy of Forestry(Hainan Academy of Mangrove),Haikou Hainan571100;College of Forestry,Hainan University,Haikou Hainan570000)
出处
《热带林业》
2020年第4期47-50,共4页
Tropical Forestry
基金
海南省省属科研院所技术开发专项(KYYS-2019-22):航天发射区域生态环境监测体系建立与评价。
关键词
大气环境
空气质量
污染负荷系数
文昌
Atmospheric environment
Air quality
Pollution load factor
Wenchang
