遂宁市城区环境空气质量状况和变化特征
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摘要
根据2018年遂宁市主城区环境空气自动监测数据,分析了2018年遂宁市环境空气质量状况,研究了空气质量变化特征,并与周边市州的空气质量进行了横向比较。研究结果发现,2018年遂宁市空气质量优良率为89.6%,优良率最高的月份是3月和9～11月,最低的是2月、其次是1月;六种污染因子中仅PM_(2.5)年均浓度未达到空气质量二级标准,其超标0.02倍;PM_(10)和PM_(2.5)月均浓度整体上呈现出"船式"变化趋势,而O_3呈现出与其相反的变化趋势;遂宁市2018年的空气质量较同期显著改善,并明显优于周边地区。
Based on ambient air monitoring data of Suining urban in 2018, the air quality of Suining Ctiy was analyzed, the change characteristics of Suining city was researched, and the horizontal comparison was conducted with atmospheric environmental qualities of the surrounding areas of Suining City. The results demonstrated that the air qualification rate of Suining City in 2018 was 89.6 %, the highest month of the air qualification rate were March, September, October and Novemer, but the lowest month was Februaryt, and the second lowest month was January. The six pollution factors except PM_(2.5) meet the national secondary standards, and PM_(2.5) concentration was 0.02 times over the national secondary standard. On the whole, the variations of monthly average concentration of PM_(10) and PM_(2.5) were "boat form", but the variations of monthly average concentration of O_3 was in those opposite directions. The air quality of Suining in 2018 was better than that in 2017, and obviously better than those of its surrounding areas.
Based on ambient air monitoring data of Suining urban in 2018, the air quality of Suining Ctiy was analyzed, the change characteristics of Suining city was researched, and the horizontal comparison was conducted with atmospheric environmental qualities of the surrounding areas of Suining City. The results demonstrated that the air qualification rate of Suining City in 2018 was 89.6 %, the highest month of the air qualification rate were March, September, October and Novemer, but the lowest month was Februaryt, and the second lowest month was January. The six pollution factors except PM_(2.5) meet the national secondary standards, and PM_(2.5) concentration was 0.02 times over the national secondary standard. On the whole, the variations of monthly average concentration of PM_(10) and PM_(2.5) were "boat form", but the variations of monthly average concentration of O_3 was in those opposite directions. The air quality of Suining in 2018 was better than that in 2017, and obviously better than those of its surrounding areas.
引文
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[2]杨永安,张凯,许肖云,等.遂宁市主城区环境空气质量现状及原因分析研究[J].环境科学与管理,2017,42(8):146-149..
[3]杨永安,张凯,唐红军,等.水环境中挥发性有机物的监测方法[J].四川环境,2014,33(3):108-112.
[4]白志鹏,蔡斌彬,董海燕,等.灰霾的健康效应[J].环境污染与防治,2006,28(3):198-201.
[5]魏复盛.空气污染对儿童肺功能指标影响的初步分析[J].中国环境监测,2001,17(T01):61-66.
[6]刘焱明,张承中,李文慧,等.西安城区大气有机氯农药的污染特征及来源分析[J].环境科学研究,2010(3):266-271.
[7]唐红军,张凯,杨永安,等.遂宁市2013年大气污染特征及成因[J].中国环境监测,2015,31(5):27-33.
[8]唐红军,张凯,杨永安,等.遂宁市大气污染现状与影响因素分析[J].绿色科技,2015(4):224-227..
[9]孙阳昭,沈剑飞,刘俐媛等.遂宁市大气细颗粒物污染现状及成因[J].环境化学,2014,33(1),87-92.
[10]陈艳,闫攀,杨永安,等.2016年遂宁市主城区空气质量状况分析[J].四川环境,2017,36(4):88-92.