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“南宁蓝”新记录诞生

2017-08-11 09:12:42   中国青年网

本报南宁讯 (记者/余锋 通讯员/彭威)8月10日,记者从南宁市环境保护监测站获悉,在刚过去的7月,南宁市环境空气质量优良率继续保持100%,是自今年3月以来第5个空气优良率“满分”的月份。据悉,南宁市自2013年实施环境空气质量新标准以来,首次实现连续5个月空气质量优良率达到100%,至此诞生了一项“南宁蓝”新记录。

按照《环境空气质量标准》《环境空气质量指数(AQI)技术规定(试行)》和《环境空气质量评价技术规范(试行)》进行评价,7月南宁市区空气质量为:优22天,良9天,主要污染物PM10、PM2.5月均浓度分别为42微克/立方米和23微克/立方米,分别比去年同期上升了5.0%和21.1%。

据监测统计,今年1月1日至7月31日,南宁市区空气质量达标天数比例(AQI优良率)为95.3%,其中空气质量为:优115天、良87天、轻度污染9天、中度污染1天,未发生重度污染的天气。主要污染物PM10和PM2.5平均浓度分别为54微克/立方米、34微克/立方米,分别比去年同期下降11.5%和5.6%,环境空气质量不断得到改善。

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