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年度	区域环境噪声（分贝（A））			道路交通噪声（分贝（A））
年度	全市	市区	远郊区	全市	市区	远郊区

2022	52.8	52.7	52.6	68.7	69.4	67.1
2021	53.7	52.8	53.4	69.0	69.6	67.1
2020	53.6	53.1	54.4	69.0	69.2	66.9
2019	53.7	53.0	53.0	69.6	70.3	68.3
2018	53.7	53.3	53.3	69.6	69.8	68.5
2017	53.2	53.4	53.2	69.3	69.9	67.4
2016	54.3	53.9	53.4	69.3	69.8	67.4
2015	53.3	53.8	53.2	69.2	69.9	67.2
2014	53.6	53.0	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

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