|
年度 |
建成区道路交通噪声,分贝(A) |
建成区区域环境噪声,分贝(A) |
|
平均值 |
城区 |
近郊 |
平均值 |
城区 |
近郊 |
远郊 |
|
2008 |
65.2-74.4 |
69.6 |
68.9 |
50.9-55.7 |
53.6 |
|
53.7 |
|
2007 |
62.3-74.0 |
69.9 |
68.9 |
51.0-55.5 |
54.0 |
|
53.7 |
|
2006 |
69.4-73.0 |
69.7 |
69.0 |
50.8-57.7 |
53.9 |
|
53.9 |
|
2005 |
69.4-72.7 |
69.5 |
68.4 |
51.9-56.8 |
53.2 |
|
53.7 |
|
2004 |
69.6 |
68.1 |
70.3 |
53.8 |
54.2 |
53.7 |
54.4 |
|
2003 |
69.7 |
68.2 |
70.3 |
53.6 |
54.1 |
53.5 |
54.0 |
|
2002 |
69.5 |
68.1 |
70.1 |
53.5 |
54.1 |
53.8 |
|
|
2001 |
69.6 |
67.9 |
70.5 |
53.9 |
54.5 |
53.7 |
|
|
2000 |
71.0 |
68.1 |
72.6 |
53.9 |
55.5 |
53.6 |
|
|
|