各年度声环境质量状况
| 年度 | 区域环境噪声平均等效声级（分贝（A）） | 道路交通噪声平均等效声级（分贝（A）） | ||||
| 全市 | 城六区 | 远郊区 | 全市 | 城六区 | 远郊区 | |
| 2016 | 54.3 | 53.9 | 53.7 | 69.3 | 69.8 | 67.4 |
| 2015 | 53.3 | 53.8 | 53.2 | 69.2 | 69.9 | 67.2 |
| 2014 | 53.6 | 53 | 53.4 | 69.1 | 69.8 | 67.2 |
| 2013 | 53.9 | 53.6 | 53.0 | 69.1 | 69.8 | 67.2 |
| 2012 | 54.0 | 53.6 | 53.1 | 69.2 | 69.7 | 67.7 |
| 2011 | 53.7 | 53.7 | 53.4 | 69.6 | 69.8 | 67.9 |
| 2010 | 54.1 | 54.0 | 53.5 | 70.0 | 70.2 | 68.0 |
| 2009 | 54.1 | 53.9 | 53.6 | 69.7 | 69.9 | 68.4 |
| 2008 | 53.6 | 53.4 | 53.7 | 69.6 | 69.8 | 68.9 |
| 2007 | 54.0 | 53.6 | 53.7 | 69.9 | 70.1 | 68.9 |
| 2006 | 53.9 | 53.7 | 53.9 | 69.7 | 69.9 | 69.0 |
| 2005 | 53.2 | 53.3 | 53.7 | 69.5 | 69.5 | 68.4 |
| 2004 | 53.8 | 53.7 | 54.4 | 69.6 | 69.6 | 69.1 |
| 2003 | 53.6 | 53.5 | 54.0 | 69.7 | 69.7 | 69.0 |
| 2002 | 53.5 | 53.5 | 54.3 | 69.5 | 69.5 | 69.0 |
| 2001 | 53.9 | 53.7 | 54.7 | 69.6 | 69.6 | 70.1 |
| 2000 | 53.9 | 53.6 | 55.0 | 71.0 | 71.0 | 69.5 |