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作 者:张玉麟 谢琰 胡婷婷 赵磊 董苍鹏 Zhang Yulin;Xie Yan;Hu Tingting;Zhao Lei;Dong Cangpeng(Yibin college,Yibin 644000,China;Lueyang County Meteorological Bureau,Hanzhong 724300,China;Foping County Meteorological Bureau,Hanzhong 723400,China)
机构地区:[1]宜宾学院,四川宜宾644000 [2]略阳县气象局,陕西汉中724300 [3]佛坪县气象局,陕西汉中723400
出 处:《皮革制作与环保科技》2021年第16期144-147,共4页Leather Manufacture and Environmental Technology
基 金:宜宾学院校级项目(2019QD21);宜宾学院校级项目(2021PY03)。
摘 要:近年来,随着宜宾市快速发展,空气污染成为宜宾生态环境保护的重中之重,根据研究结果表明:2015~2019年宜宾市区空气质量12~2月AQI值最高,6~8月份AQI值最低;近五年PM2.5月均浓度逐年降低,但仍是出现次数最多的首要污染物;相应空气污染防控政策实施后环境质量优良天数明显增加,污染天数明显减少,该方案的实施对宜宾市大气污染物防控具有显著的有利影响。In recent years, with the rapid development of Yibin City, air pollution has become the top priority of Yibin ecological environment protection. According to the research results, the AQI value of Yibin urban air quality is the highest from December to February and the lowest from June to August in 2015~2019;The average concentration of PM2.5 in recent five years has decreased year by year, but it is still the primary pollutant with the most times;After the implementation of the corresponding air pollution prevention and control policy,the number of days with excellent environmental quality has increased significantly and the number of days with pollution has decreased significantly. The implementation of the scheme has a significant beneficial impact on the prevention and control of air pollutants in Yibin City.
关 键 词:空气质量指数(AQI) 污染物 空气污染防治政策
分 类 号:X51[环境科学与工程—环境工程]
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