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我爱蓝天

来源:北方新报   2019-03-15

  3月14日,呼和浩特市南门外小学的学生们在蓝天下做出爱心手势。连日来,首府天高云淡风清气爽,碧蓝色的天空让市民心情更加愉悦。据了解,2018年,全区空气质?#31185;?#22343;达标天数比例为83.6%,细颗粒物(PM2.5)浓度下降3.1%。


责任编辑:郭慧文
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