42主要城市空气质量指标2005年

4-2主要城市空气质量指标(2005年)AmbientAirQualityinMajrCities(2005)单位：毫克/立方米(milligram/cu．m)可吸入二氧化硫二氧化氮颗粒物(SO_2)(NO_2)(PM_(10))城市CityPaticulateSulphurNitrogenMattersDioxideDioxide北京Beijing0．1410．0500．066天津Tianjin0．1060．0760．047石家庄Shijiazhuang0．1320．0540．041太原Taiyuan0．1390．0770．020呼和浩特Hohhot0．0970．0500．041沈阳Shenyang0．1180．0540．036长春Dalian0．0990．0260．035哈尔滨Harbin0．1040．0420．056上海Shanghai0．0880．0610．061南京Nanjing0．1100．0520．054杭州Hangzhou0．1120．0600．058合肥Hefei0．0950．0180．025福州Fuzhou0．0720．0160．042南昌Nanchang0．0890．0500．031济南Jinan0．1280．0600．024郑州Zhengzhou0．1090．0590．039武汉Wuhan0．1190．0540．050长沙Changsha0．1220．0810．036广州Guangzhou0．0880．0530．068南宁Nanning0．0670．0580．038海口Haikou0．0400．0120．015重庆Chongqing0．1200．0730．048成都Chengdu0．1250．0770．052贵阳Guiyang0．0760．0630．013昆明Kunming0．0820．0550．038拉萨Lhasa0．0700．0100．025西安Xi'an0．1290．0440．032兰州Lanzhou0．1580．0680．037西宁Xining0．1140．0290．026银川Yinchuan0．0900．0540．025乌鲁木齐Urumqi0．1140．1160．056资料来源：国家环境保护总局(以下各表同)。Source：StateEnvironmentalProtectionAdministration(thesameasinthefollowingtables)．空气质量达到及空气质量达到二级以上好于二级的天数天数占全年比重(%)(天)ProportionofDaysDaysofAirQualityofAirQualityEqualEqualtoorAbovetoorAboveGradeⅡinGradeⅡ(day)theWholeYear(%)23464．1129881．6428377．5324567．1231285．4831786．8534093．1530182．4732288．2230483．2930182．4732990．1434995．6233992．8826271．7830082．1927174．2524567．1233290．9635496．99365100．0026773．1529380．2734393．9736399．4535898．0829179．7323865．2130683．8432388．4925670．14Source：StateEnvironmentalProtectionAdministration(thesameasinthefollowingtables)．