20-10 市区城市生态自然环境情况(2007-2011年) |  |  |  |
URBAN ECOLOGICAL NATURAL ENVIRONMENT(2006-2011) |
指 标 | 2007 | 2008 | 2009 | 2010 | 2011
Item
园林绿化 | Parks,Gardens and Green Areas |
园林绿地面积(公顷) | Parkes,Gardens and Green Areas (hectare) | 6057 | 6468 | 6773 | 7222 | 7535
公园绿地面积(公顷) | Green Space of Park (hectare) | 1389 | 1450 | 1561 | 1632 | 1704
建成区绿化覆盖面积(公顷) | Green Space in Constucted Areas (hectare) | 4680 | 5076 | 5640 | 6451 | 7302
建成区绿化覆盖率(%) | Rate of Green Space in Constructed Areas (%) | 41.6 | 42.1 | 42.1 | 42.2 | 42.2
人均公园绿地面积(平方米) | Per Capita Green Area of Park (sq.m) | 11.35 | 12.12 | 12.20 | 12.35 | 12.41
城市公园个数(个) | Urban Parks (unit) | 21 | 21 | 24 | 25 | 25
公园面积(公顷) | Park Area (hectare) | 458 | 465 | 489 | 520 | 520
水、空气和噪声情况 | Water, Air and Noise |
城市集中式饮用水源地水质 | Rate up to the Standards of Water Quality for | 100.0 | 100.0 | 100.0 | 100.0 | 100.0
达标率(%) | Urban Potable Water Sources (%)
空气污染指数小于100天数占 | Proportion of Days with Air Pollution Index less | 85.2 | 86.1 | 91.5 | 91.5 | 92.1
全年天数的比例(%) | than 100 to Whole Year (%)
区域环境噪声平均值(分贝) | Average Value of Noise in Whole Area (dB) | 55.0 | 55.0 | 54.7 | 54.4 | 54.7
交通干线噪声平均值(分贝) | Average Value of Noise Along Main Traffic Artery (dB) | 66.8 | 67.0 | 67.8 | 67.4 | 67.3
生活垃圾无害化处理 | Harmless Disposal of Household Garbage |
垃圾清运量(万吨) | Wastes Transported (10000 Tons) | 43.50 | 46.64 | 49.16 | 51.99 | 54.95
垃圾无害化处理量(万吨) | Volume of Garbage Disposal (10000 ton) | 43.48 | 46.64 | 49.16 | 51.99 | 54.95
生活垃圾无害化处理率(%) | Rate of Harmless Disposal of Household Garbage (%) | 100.0 | 100.0 | 100.0 | 100.0 | 100.0