Acoustical Environment (2000-2007)
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| Item |
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2000 |
2001 |
2002 |
2003 |
2004 |
2005 |
2006 |
2007 |
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|
| Environment Noise Mean in 8 Districts of Beijing |
(db) |
53.9 |
53.9 |
53.5 |
53.6 |
53.8 |
53.2 |
53.9 |
54.0 |
| Traffic Trunk Noise Meanin 8 Districts of Beijing |
(db) |
71.0 |
69.6 |
69.5 |
69.7 |
69.6 |
69.5 |
69.7 |
69.9 |
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|
|
|
|
|
|
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| Sources: State Environmental Protection Administration of Beijing. |
| [source:Beijing Municipal Bureau of Statistics] |
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