中国第三产业统计年鉴2009 050808

城市可吸入颗粒物二氧化硫二氧化氮空气质量达到及好于二级的天数北京0.1230.0360.049274天津0.0880.0610.041322石家庄0.1160.0460.031301太原0.0940.0730.021303呼和浩特0.0700.0490.045340沈阳0.1180.0590.037323长春0.0960.0300.038342哈尔滨0.1020.0430.055308上海0.0840.0510.056328南京0.0980.0540.053322杭州0.1100.0520.053301合肥0.1340.0220.0252...