安徽省2015年第一季度大气污染物日均变化规律
Temporal-Spatial Trends of Atmospheric Air Pollution of Anhui Province within the First Quarter of 2015-Based on the Analysis of Daily Average Concentrations
DOI: 10.12677/AEP.2017.71003, PDF, HTML, XML,  被引量 下载: 2,145  浏览: 3,568  国家自然科学基金支持
作者: 倪秀峰, 戴豪杰, 韦钊：合肥工业大学资源与环境工程学院，安徽 合肥；彭书传, 陈天虎, 王继忠*：合肥工业大学资源与环境工程学院，安徽 合肥；合肥工业大学纳米矿物与环境材料实验室，安徽 合肥
关键词: 大气污染物；PM2.5；相关性分析；时空分布；安徽省；Atmospheric Contaminants； PM2.5； Correlation Analysis； Temporal-Spatial Trends； Anhui Province
摘要: 本研究收集了安徽省16个地级市68监测站点的AQI、PM2.5、PM10、SO2、NO2、CO和O3逐时数据，通过统计分析探讨了大气污染物日均值时空变化规律和影响要素。结果显示安徽省2015年第一季度空气质量以优良天气为主，PM2.5、PM10、SO2、NO2、CO和O3的日均值分别为68.7 ± 38.2 μg/m3、94.5 ± 47.6 μg/m3、25.6 ± 19.0 μg/m3、30.1 ± 18.6 μg/m3、1.23 ± 0.74 mg/m3和42.1± 24.8 μg/m3，且呈对数正态分布。PM2.5超标严重，近1/3日均值超过二级限值。随温度和降雨量增加，大气污染物(除O3)均出现1至3月逐渐下降趋势，但O3呈现1月低于2和3月。以工矿业为主的城市(蚌埠、亳州、铜陵、阜阳、淮南、宿州、合肥、马鞍山和淮北)大气污染较为严重，而其它城市污染较轻，尤其皖南的池州和黄山污染最轻。
Abstract: Hourly ambient observation data of the first quarter of 2015 were collected from 68 air quality monitoring stations in prefecture-level cities of Anhui Province to investigate the temporal-spatial trends and potential influence factor of daily average on PM2.5, PM10, SO2, NO2, CO and O3 concentrations. Air quality index (AQI) indicates that the overall air quality level in Anhui Province is dominantly good to moderate throughout the first quarter of 2015. Daily average concentrations were estimated at 68.7 ± 38.2 μg/m3 for PM2.5, 94.5 ± 47.6 μg/m3 for PM10, 25.6 ± 19.0 μg/m3 for SO2, 30.1 ± 18.6 μg/m3 for NO2, 1.23 ± 0.74 mg/m3 for CO and 42.1 ± 24.8 μg/m3 for O3, respectively, and they fitted lognormal distribution. The air quality was predominantly impacted by fine particle (PM2.5) with one third of daily average PM2.5 concentration over second-class threshold under national air quality standards. With the increasing of precipitation and surface temperature, atmospheric contaminants (except for O3) concentrations appeared a decreasing trend from January to March, while the concentration of O3 in January was significantly lower than those in February and March. Air quality of the cities with significant development of industry and mining including Bengbu, Bozhou, Tongling, Fuyang, Huainan, Suzhou, Hefei, Maanshan and Huaibei was more seriously polluted compared to other cities, and Chizhou and Huangshan cities were observed with the least pollution.
文章引用：倪秀峰, 戴豪杰, 韦钊, 彭书传, 陈天虎, 王继忠. 安徽省2015年第一季度大气污染物日均变化规律[J]. 环境保护前沿, 2017, 7(1): 17-25. https://doi.org/10.12677/AEP.2017.71003

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