8-19  Ambient Air Quality in Key Cities of Environmental Protection (2015)|8-19AmbientAirQualityinKeyCitiesofEnvironmentalProtection(2015)|City|Annual|Annual|Annual|95thPercentile|90thPercentile|Annual|DaysofAir|Average|Average|Average|DailyAverage|DailyMaximum|Average|QualityEqual|Concentration|Concentration|Concentration|Concentration|8HoursAverage|Concentration|toorAbove|ofSO2|ofNO2|ofPM10|ofCO|Concentration|ofPM2.5|GradeII|(¦Ìg/m3)|(¦Ìg/m3)|(¦Ìg/m3)|(mg/m3)|ofO3(¦Ìg/m3)|(¦Ìg/m3)|(day)||Beijing|13.5342465753425|50.0438356164384|101.53698630137|3.58|202.7|80.6986301369863|186|Tianjin|29.1917808219178|42.0767123287671|117.149584487535|3.1|141.7|70.3397260273973|216|Shijiazhuang|47.2383561643836|50.5753424657534|146.643835616438|4.26999999999999|147.7|88.7534246575343|180|Tangshan|48.7465564738292|60.5316804407714|140.994490358127|4.2|182|85.1243093922652|156|Qinhuangdao|38.0082417582418|45.3928571428571|98.8453038674033|3.59|107.3|47.7382920110193|259|Handan|45.2292817679558|46.6722222222222|166.002754820937|3.8|140.8|91.4628099173554|149|Baoding|55.0743801652893|53.9504132231405|174.217630853994|5.795|183|107.074175824176|126|Taiyuan|71.0821917808219|38.0247252747253|114.419178082192|3.08|131.2|61.6547945205479|230|Datong|43.8021978021978|27.3708791208791|87.4600550964187|2.8|138.7|39.7884615384615|292|Yangquan|60.4191780821918|41.032967032967|112.821917808219|2.8|131.6|54.4478021978022|265|Changzhi|49.8241758241758|37.4407713498623|105.953296703297|3.585|160.7|64.6104972375691|242|Linfen|63.7417582417582|33.1401098901099|89.8448753462604|4.5|114|58.7115384615385|266|Hohhot|33.5671232876712|38.5452054794521|103.358904109589|3.2|144.6|43.1780821917808|276|Baotou|38.4465753424658|40.8956043956044|109.545205479452|2.9|149|50.3397260273973|249|Chifeng|48.3972602739726|24.9342465753425|87.5890410958904|2.1|106.2|41.041095890411|295|Shenyang|65.7123287671233|47.6246575342466|114.778082191781|2.2|154.6|71.958904109589|207|Dalian|30.372602739726|32.8794520547945|80.9452054794521|1.4|160.6|47.6849315068493|270|Anshan|49.4587912087912|38.4697802197802|115.414835164835|2.7|156|71.543956043956|233|Fushun|30.7698630136986|34.260989010989|93.6098901098901|2.5|149|52.613698630137|260|Benxi|42.6291208791209|40.8347107438017|89.3826815642458|2.9|136|55.707182320442|274|Jinzhou|58.8109589041096|38.2328767123288|92.2712328767123|2.3|160.2|59.7342465753425|243|Changchun|35.6767123287671|44.6657534246575|107.339726027397|1.8|150.6|66.1260273972603|237|Jilin|29.6813186813187|37.1236263736264|98.4972527472527|2|154|59.1675824175824|238|Harbin|39.5150684931507|50.7205479452055|102.933884297521|1.8|106|70.4575342465753|227|Qiqihar|26.1342465753425|24.2164383561644|62.9035812672176|1.5|107.6|38.1381215469613|307|Mudanjiang|19.672268907563|25.2478873239437|78.3646408839779|2|122|48.0743801652893|278|Shanghai|16.7479452054795|46.0958904109589|68.9777777777778|1.5|161|52.9561643835616|252|Nanjing|19.2602739726027|50.0958904109589|96.6391184573003|1.68|170.6|57.1933701657459|231|Wuxi|26.1098901098901|41.3884297520661|93.5041782729805|1.7|171|61.2845303867403|229|Xuzhou|37.827397260274|38.6465753424658|121.578512396694|2.28|153|64.6871508379888|225|Changzhou|29.8131868131868|44.5232876712329|101.904109589041|1.8|164.6|59.0547945205479|245|Suzhou|21.0851648351648|54.2246575342466|80.2237569060773|1.5|168|58.2231404958678|240|Nantong|29.4630136986301|37.3159340659341|87.6027397260274|1.4|169|57.7041095890411|247|Lianyungang|26.3150684931507|28|93.8|1.68|160|54.5260273972603|260|Yangzhou|24.4293628808864|30.218487394958|100.797222222222|1.5|176.4|55.1648044692737|238|Zhenjiang|25.021978021978|41.7561643835616|82.6722222222222|1.6|185|59.3342465753425|220|Hangzhou|16.0986301369863|48.7945205479452|84.6465753424658|1.5|168.6|57.0383561643836|242|Ningbo|15.4602739726027|42.8301369863014|69.3917808219178|1.4|152|44.6684931506849|302|Wenzhou|14.8246575342466|44.7643835616438|71.6767123287671|1.4|147.6|43.6301369863014|312|Huzhou|16.7535014005602|40.5870786516854|76.0251396648045|1.52|189.5|54.2549019607843|219|Shaoxing|27.0191780821918|45.1260273972603|79.8246575342466|1.3|162|55.0467032967033|267|Hefei|16.1191135734072|32.9283746556474|91.781512605042|1.795|108.4|65.8374655647383|238|Wuhu|19.7534246575342|37.3753424657534|81.4876712328767|1.9|71.7|57.9342465753425|282|Maanshan|24.2246575342466|35.4794520547945|86.9205479452055|2.2|141.2|61.4834254143646|272|Fuzhou|6.26170798898072|32.8209366391185|55.5611111111111|1|119.2|29.2506887052342|344|Xiamen|9.77685950413223|30.7741046831956|48.2714681440443|0.9|95|29.1519337016575|355|Quanzhou|10.2219178082192|24.7753424657534|52.5643835616438|1|122.1|27.7616438356164|360|Nanchang|18.9506849315068|31.2520547945205|75.4505494505494|1.4|131|43.0794520547945|311|Jiujiang|24.2424242424242|30.4547945205479|77.8202247191011|1.4|133.8|50.728021978022|290|Jinan|47|52.9355742296919|162.628099173554|2.695|176|90.3543956043956|124|Qingdao|28.0961538461538|36.1491712707182|97.6458923512748|1.8|146|52.0904109589041|263|Zibo|86.7307692307692|63.2034383954155|165.401162790698|3.5|187.2|92.108504398827|88|Zaozhuang|55.5524861878453|35.7119113573407|156.346153846154|1.7|179|87.7624309392265|136|Yantai|20.6360856269113|33.2944785276074|80.2649006622517|1.6|150|47.7335423197492|190|Weifang|43.7972602739726|36.2712328767123|134.546703296703|2.08|193.8|71.9068493150685|171|Jinin|57.1561643835616|44.7753424657534|139.367123287671|2.2|173|81.3260273972603|160|Taian|39.3671232876712|42.2857142857143|126.662087912088|2.78|173.4|69.1753424657534|199|Rizhao|25.6647887323944|37.5977653631285|104.755617977528|1.9|159.9|61.8174157303371|227|Zhengzhou|32.9780821917808|57.586301369863|166.958791208791|2.7|159.2|95.5287671232877|136|Kaifeng|30.6082191780822|40.5835616438356|128.112637362637|2.68|132|74.3928571428571|220|Luoyang|43.8186813186813|42.4077134986226|125.00826446281|3.3|132|72.6143250688705|204|Pingdingshan|49.7616438356164|43.3369863013699|142.879120879121|2|172.6|88.3972602739726|131|Anyang|52.9118457300276|50.9531680440771|152.279005524862|5|148|91.6104972375691|160|Jiaozuo|49.4972527472527|49.7912087912088|150.398351648352|3.9|150.3|86.7127071823204|168|Sanmenxia|46.967032967033|41.9532967032967|134.024861878453|2.8|146|74.633608815427|194|Wuhan|17.931129476584|51.6895604395604|104.074380165289|1.8|169.7|69.9342465753425|189|Yichang|20.3424657534247|34.6620879120879|107.440771349862|1.68|122.4|70.2958904109589|248|Jingzhou|26.2520547945205|36.4849315068493|109.054794520548|1.8|172.2|70.441095890411|219|Changsha|18.3013698630137|37.6767123287671|75.6840659340659|1.5|147|60.7835616438356|257|Zhuzhou|25.6895604395604|35.0356164383562|86.1181318681319|1.6|139|55.3753424657534|277|Xiangtan|23.5247252747253|40.558904109589|88.5671232876712|1.4|145.4|56.5138121546961|268|Yueyang|26.1620111731844|24.5694444444444|92.4213483146067|2.6|154|53.1033519553073|261|Changde|24.6969696969697|23.8587257617729|82.0994475138122|2|140|51.7534246575342|275|Zhangjiajie|10.1790633608815|18.5289256198347|78.0109589041096|2.7|125|52.6308539944904|283|Guangzhou|12.5342465753425|46.8465753424658|59.4219178082192|1.4|144.6|38.958904109589|312|Shaoguan|19.2712328767123|24.9369863013699|50.2876712328767|1.6|134|33.8434065934066|341|Shenzhen|8.43561643835617|33.3534246575342|48.5421348314607|1.3|128|29.7616438356164|340|Zhuhai|8.66942148760331|28.6208791208791|50.5179063360882|1.585|141.9|30.9530386740331|323|Shantou|13.3671232876712|19.7123287671233|52.4849315068493|1.2|140.7|32.5013698630137|342|Zhanjiang|9.53462603878116|15.1344537815126|44.5580736543909|1.4|137|27.622905027933|324|Nanning|12.9232876712329|33.0356164383562|71.8630136986301|1.3|117|41.4054794520548|324|Liuzhou|24.4972527472527|23.7115384615385|69.8493150684932|1.6|137|49.5068493150685|303|Guilin|20.5698630136986|26.372602739726|69.7205479452055|1.8|138|50.9205479452055|296|Beihai|8.84931506849315|13.8602739726027|47.9698630136986|1.7|132|28.7917808219178|344|Haikou|5.36438356164384|13.641095890411|39.6270718232044|0.9|103.2|21.9505494505494|349|Chongqing|16.2438356164384|44.967032967033|86.5013698630137|1.5|126.6|56.6219178082192|292|Chengdu|14.0686813186813|53.1456043956044|107.5|2|183|64.2252747252747|211|Zigong|17.1043956043956|31.2362637362637|102.547945205479|1.5|118.7|73.2054794520548|233|Panzhihua|33.5497237569061|31.8149171270718|64.1187845303867|2.7|119|31.6925207756233|353|Luzhou|22.8209366391185|33.1322314049587|89.1404958677686|0.9|121|61.5206611570248|266|Deyang|13.3102493074792|30.195530726257|86.1046831955923|1.4|155.6|53.4|260|Mianyang|12.5192307692308|33.7967032967033|71.8049450549451|1.4|137.4|46.5027472527473|302|Nanchong|12.0303867403315|30.8314917127072|90.2451790633609|1.6|96.2|61.0027397260274|265|Yibin|23.6868131868132|29.2884615384615|82.5890410958904|1.4|123|58.1534246575342|282|Guiyang|17.0219178082192|28.4821917808219|60.9013698630137|1.1|119.6|39.2958904109589|340|Zunyi|15.4847645429363|28.8393351800554|71.4512534818942|1.2|108.2|42.2331460674157|321|Kunming|17.435261707989|30.0969529085873|56.0055096418733|1.4|110|29.989010989011|350|Qujing|22.9013698630137|19.3232876712329|44.8109589041096|1.4|133.8|30.1972602739726|352|Yuxi|17.8438356164384|18.3724928366762|42.1270718232044|2.2|87|23.771349862259|338|Lhasa|9.58333333333333|20.6195965417867|58.7565982404692|1.1|142|26.2934472934473|313|Xi'an|23.9807692307692|44.2225274725275|126.315934065934|3.4|145|58.1950549450549|250|Tongchuan|24.8575342465753|35.5686813186813|104.861495844875|2.48|132|58.3369863013699|269|Baoji|14.5346260387812|35.8953168044077|107.969444444444|2.7|132|57.1046831955923|268|Xianyang|23.8681318681319|38.5561643835616|117.697802197802|2.3|137.7|62.9862258953168|258|Weinan|22.7472527472527|38.9068493150685|110.169863013699|2.6|132|60.3057851239669|262|Yan'an|27.5192307692308|49.8434065934066|103.401098901099|3.685|143|48.5714285714286|282|Lanzhou|22.6712328767123|52.7671232876712|119.695890410959|3.1|132|51.7068493150685|252|Jinchang|45.1790633608815|19.3516483516484|106.348901098901|1.895|134.8|36.8876712328767|301|Xining|30.6602739726027|38.358904109589|105.816438356164|2.8|126|48.8379120879121|295|Yinchuan|64.4438356164383|38.5095890410959|112.367123287671|2.5|125|50.8109589041096|259|Shizuishan|70.8763736263736|29.8736263736264|124.367123287671|1.9|154.8|48.2301369863014|224|Urumqi|15.0028248587571|51.515406162465|133.102777777778|3.6|122|66.0142857142857|218|Karamay|7.54545454545455|18.6675900277008|64.8972222222222|2|121|31.6741573033708|316|a)Datainthistablearepreliminarydata.