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["附表1"]
["2025年9月辰溪县城（县政府站）环境空气污染物日均浓度统计表"]
["城市名称","年","月","日","污染物浓度",{"$nulls":5},"污染物AQI单项指数",{"$nulls":5},"AQI指数","质量类别","首要污染物"]
[{"$nulls":4},"单位:µg/m3 (CO:mg/m3),CO：95百分位计算，O3-8h：百分位计算。"]
[{"$nulls":4},"PM2.5","PM10","O3 8小时","NO2","SO2","CO","PM2.5","PM10","O3 8小时","NO2","SO2","CO"]
["湖南辰溪",2025,9,1,13,29,73,5,6,0.4,19,29,37,7,6,10,37,"优"]
["湖南辰溪",2025,9,2,16,23,99,5,6,0.4,23,23,50,7,6,10,50,"优"]
["湖南辰溪",2025,9,3,14,30,73,6,5,0.5,20,30,37,8,5,13,37,"优"]
["湖南辰溪",2025,9,4,14,28,73,7,5,0.5,20,28,37,9,5,13,37,"优"]
["湖南辰溪",2025,9,5,16,40,82,8,6,0.5,23,40,41,10,6,13,41,"优"]
["湖南辰溪",2025,9,6,15,25,69,4,5,0.5,22,25,35,5,5,13,35,"优"]
["湖南辰溪",2025,9,7,10,33,87,4,5,0.6,15,33,44,5,5,15,44,"优"]
["湖南辰溪",2025,9,8,14,30,85,5,5,0.5,20,30,43,7,5,13,43,"优"]
["湖南辰溪",2025,9,9,14,13,78,4,4,0.4,20,13,39,5,4,10,39,"优"]
["湖南辰溪",2025,9,10,8,14,48,4,3,0.5,12,14,24,5,3,13,24,"优"]
["湖南辰溪",2025,9,11,9,22,55,6,4,0.6,13,22,28,8,4,15,28,"优"]
["湖南辰溪",2025,9,12,10,25,50,7,4,0.5,15,25,25,9,4,13,25,"优"]
["湖南辰溪",2025,9,13,17,28,59,5,3,0.5,25,28,30,7,3,13,30,"优"]
["湖南辰溪",2025,9,14,12,21,49,4,4,0.5,18,21,25,5,4,13,25,"优"]
["湖南辰溪",2025,9,15,18,28,71,6,4,0.5,26,28,36,8,4,13,36,"优"]
["湖南辰溪",2025,9,16,15,29,71,7,5,0.4,22,29,36,9,5,10,36,"优"]
["湖南辰溪",2025,9,17,14,29,84,6,5,0.4,20,29,42,8,5,10,42,"优"]
["湖南辰溪",2025,9,18,15,21,54,4,4,0.4,22,21,27,5,4,10,27,"优"]
["湖南辰溪",2025,9,19,13,13,47,4,4,0.4,19,13,24,5,4,10,24,"优"]
["湖南辰溪",2025,9,20,14,14,85,4,5,0.4,20,14,43,5,5,10,43,"优"]
["湖南辰溪",2025,9,21,19,24,87,5,5,0.4,28,24,44,7,5,10,44,"优"]
["湖南辰溪",2025,9,22,20,19,70,5,4,0.4,29,19,35,7,4,10,35,"优"]
["湖南辰溪",2025,9,23,13,13,73,4,5,0.4,19,13,37,5,5,10,37,"优"]
["湖南辰溪",2025,9,24,13,13,85,4,5,0.3,19,13,43,5,5,8,43,"优"]
["湖南辰溪",2025,9,25,17,17,77,4,5,0.4,25,17,39,5,5,10,39,"优"]
["湖南辰溪",2025,9,26,13,11,60,3,5,0.4,19,11,30,4,5,10,30,"优"]
["湖南辰溪",2025,9,27,13,16,52,4,5,0.4,19,16,26,5,5,10,26,"优"]
["湖南辰溪",2025,9,28,19,30,60,7,5,0.4,28,30,30,9,5,10,30,"优"]
["湖南辰溪",2025,9,29,21,25,40,4,5,0.5,30,25,20,5,5,13,30,"优"]
["湖南辰溪",2025,9,30,14,18,47,5,5,0.5,20,18,24,7,5,13,24,"优"]
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