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{"sheet":"Sheet1","index":0,"n_rows":20,"n_cols":10,"rows_kept":20,"merged":[[0,0,0,9],[1,4,1,5],[2,0,4,0],[2,1,2,6],[2,7,4,7],[2,8,4,8],[2,9,4,9],[17,0,17,9],[19,0,19,3]]}
["空气质量周报（2024年第3周）"]
[{"$nulls":4}," 时间: 2024年1月15日 — 2024年1月21日"]
["日期","污染物浓度及空气质量分指数(IAQI)",{"$nulls":5},"首要污染物","空气质量指数(AQI)","空气质量指数类型"]
[null,"细颗粒物\n（粒直径小于等于2.5μm）\n24小时平均","颗粒物\n（粒直径小于等于10μm）\n24小时平均","二氧化硫\n（SO2）\n24小时平均","二氧化氮\n（NO2）\n24小时平均","一氧化碳\n（CO）\n24小时平均","臭氧\n(O3)\n 最大8小时滑动平均"]
[null,"浓度/（μg /m3）","浓度/（μg /m3）","浓度/（μg /m3）","浓度/（μg /m3）","浓度/（mg /m3）","浓度/（μg /m3）"]
["2024-01-15",47,55,8,17,0.8,106,"PM2.5",65,"良"]
["2024-01-16",84,87,8,20,{"v":1,"d":"1.0"},114,"PM2.5",112,"轻度污染"]
["2024-01-17",26,51,7,20,0.8,128,"臭氧",74,"良"]
["2024-01-18",18,33,6,24,0.7,64,"—",33,"优"]
["2024-01-19",16,28,5,18,0.8,45,"—",28,"优"]
["2024-01-20",5,8,5,18,0.9,14,"—",24,"优"]
["2024-01-21",11,13,6,14,0.8,18,"—",21,"优"]
["周最大值",{"$f":"MAX(B6:B12)","v":84},87,8,24,{"v":1,"d":"1.0"},128,null,{"$f":"MAX(I6:I12)","v":112}]
["周均值",{"$f":"AVERAGE(B6:B12)","v":{"v":29.5714285714286,"d":"30"}},{"v":39.2857142857143,"d":"39"},{"v":6.42857142857143,"d":"6"},{"v":18.7142857142857,"d":"19"},{"v":0.828571428571429,"d":"0.8"},{"v":69.8571428571429,"d":"70"}]
["一级≤",35,50,50,40,4,100]
["二级≤",75,150,150,80,4,160]
["三级≤",115,250,475,180,14,215]
["       填表 ：                                复核：                                  审核："]
["注：1.数据来源于广东省空气质量监测管理与发布系统平台。"]
["  "]