SO<\/strong><\/span>_{2<\/strong><\/span><\/sub><\/span>（<\/strong>微克<\/strong><\/span>\/<\/strong><\/span>立方米<\/strong>）<\/strong><\/span><\/span><\/p><\/td>}

NO<\/strong><\/span>_{2<\/strong><\/span><\/sub><\/span>（<\/strong>微克<\/strong><\/span>\/<\/strong><\/span>立方米<\/strong>）<\/strong><\/span><\/span><\/p><\/td>}

PM<\/strong><\/span>_{10<\/strong><\/span><\/sub><\/span>（<\/strong>微克<\/strong><\/span>\/<\/strong><\/span>立方米<\/strong>）<\/strong><\/span><\/span><\/p><\/td>}

PM<\/strong><\/span>_{2.5<\/strong><\/span><\/sub><\/span>（<\/strong>微克<\/strong><\/span>\/<\/strong><\/span>立方米<\/strong>）<\/strong><\/span><\/span><\/p><\/td>}

O<\/strong><\/span>_{3-8h<\/strong><\/span><\/sub><\/span>第<\/strong><\/span>90<\/strong><\/span>百分位数<\/strong><\/span><\/span><\/p>}

（<\/strong>微克<\/strong><\/span>\/<\/strong><\/span>立方米<\/strong>）<\/strong><\/span><\/span><\/p><\/td>

CO<\/strong><\/span>第<\/strong><\/span>95<\/strong><\/span>百分位数（毫克<\/strong><\/span>\/<\/strong><\/span>立方米）<\/strong><\/span><\/span><\/p><\/td> <\/tr>

阳江<\/span><\/p>

市区<\/span><\/p><\/td>

6<\/span><\/p><\/td>

7<\/span><\/p><\/td>

36<\/span><\/p><\/td>

21<\/span><\/p><\/td>

135<\/span><\/p><\/td>

0.8<\/span><\/p><\/td> <\/tr>

江城区<\/span><\/p><\/td>

6<\/span><\/p><\/td>

18<\/span><\/p><\/td>

37<\/span><\/p><\/td>

20<\/span><\/p><\/td>

133<\/span><\/p><\/td>

0.8<\/span><\/p><\/td> <\/tr>

阳东区<\/span><\/p><\/td>

7<\/span><\/p><\/td>

15<\/span><\/p><\/td>

37<\/span><\/p><\/td>

22<\/span><\/p><\/td>

138<\/span><\/p><\/td>

0.8<\/span><\/p><\/td> <\/tr>

阳春市<\/span><\/p><\/td>

11<\/span><\/p><\/td>

17<\/span><\/p><\/td>

35<\/span><\/p><\/td>

15<\/span><\/p><\/td>

119<\/span><\/p><\/td>

1.0<\/span><\/p><\/td> <\/tr>

阳西县<\/span><\/p><\/td>

7<\/span><\/p><\/td>

14<\/span><\/p><\/td>

32<\/span><\/p><\/td>

17<\/span><\/p><\/td>

124<\/span><\/p><\/td>

1.0<\/span><\/p><\/td> <\/tr>

海陵区<\/span><\/p><\/td>

9<\/span><\/p><\/td>

9<\/span><\/p><\/td>

30<\/span><\/p><\/td>

17<\/span><\/p><\/td>

140<\/span><\/p><\/td>

0.8<\/span><\/p><\/td> <\/tr>

阳江滨海新区（阳江高新区）<\/span><\/p><\/td>

5<\/span><\/p><\/td>

12<\/span><\/p><\/td>

33<\/span><\/p><\/td>

19<\/span><\/p><\/td>

130<\/span><\/p><\/td>

0.8<\/span><\/p><\/td> <\/tr><\/tbody><\/table>

<\/p>

（二）城市降水<\/strong><\/span><\/p>

2023<\/span>年城市降水pH均值范围在5.9～6.0之间，酸雨频率为0，城市降水pH均值为6.0，与上年相比，城市降水pH均值下降0.2个pH单位。<\/span><\/p>

二、水环境<\/strong><\/span><\/p>

（一）地表水环境<\/strong><\/span><\/p>

1<\/span>、饮用水源地水质<\/span><\/p>

全市<\/span>4个县级以上集中式生活饮用水源地达标率为100%，水质保持稳定<\/span><\/span>。<\/span><\/p>

表<\/span>2 <\/span>阳江市饮用水源地及备用水源地水质现状及同比分析<\/span><\/span><\/p>

水源地<\/p><\/td>	水质类别<\/p><\/td>		水质状况<\/p><\/td>		变化趋势<\/p><\/td><\/tr>
	2022年<\/p><\/td>	2023年<\/p><\/td>	2022年<\/p><\/td>	2023年<\/p><\/td><\/tr>
漠江水厂<\/p><\/td>	Ⅲ<\/p><\/td>	Ⅲ<\/p><\/td>	良好<\/p><\/td>	良好<\/p><\/td>	无明显变化<\/p><\/td><\/tr>
北惯桥<\/p><\/td>	Ⅲ<\/p><\/td>	Ⅲ<\/p><\/td>	良好<\/p><\/td>	良好<\/p><\/td>	无明显变化<\/p><\/td><\/tr>
陂底水库<\/p><\/td>	Ⅱ<\/p><\/td>	Ⅱ<\/p><\/td>	优<\/p><\/td>	优<\/p><\/td>	无明显变化<\/p><\/td><\/tr>
九头坡（鱼皇石）<\/p><\/td>	Ⅱ<\/p><\/td>	Ⅱ<\/p><\/td>	优<\/p><\/td>	优<\/p><\/td>	无明显变化<\/p><\/td><\/tr><\/tbody><\/table> <\/p><\/center> <\/p> 2<\/span>、江河水质<\/span><\/p> 2023<\/span>年，阳江市江河水系水质类别为Ⅱ～Ⅲ类，水质优良率为100%，与上年相比上升5.3个百分点。其中5.3%断面水质为Ⅱ类，水质优；94.7%为Ⅲ类，水质良好。<\/span><\/p> <\/p> 图<\/span>2 2023<\/span>年全市水系断面水质类别比例<\/span><\/span><\/p> <\/p> <\/p> <\/p> 3<\/span>、入海河口水质<\/span><\/p> 2023年阳江市入海河口Ⅲ类水质断面所占比例为100%，水质良好。<\/span><\/p> 表<\/span>3 2023<\/span>年阳江市主要入海河口水质状况<\/span><\/span><\/p> 河流<\/span><\/p><\/td> 测点名称<\/span><\/p><\/td> 水质类别<\/span><\/p><\/td> 水质状况<\/span><\/p><\/td> 水质变化<\/span><\/p><\/td> <\/tr> 2022<\/span>年<\/span><\/span><\/p><\/td> 2023年<\/span><\/span><\/p><\/td> 2022<\/span>年<\/span><\/span><\/p><\/td> 2023年<\/span><\/span><\/p><\/td> <\/tr> 漠阳江<\/span><\/p><\/td> 江城<\/span><\/p><\/td> Ⅲ<\/span><\/p><\/td> Ⅲ<\/span><\/p><\/td> 良好<\/span><\/p><\/td> 良好<\/span><\/p><\/td> 无明显变化<\/span><\/p><\/td> <\/tr> 埠场<\/span><\/p><\/td> Ⅲ<\/span><\/p><\/td> Ⅲ<\/span><\/p><\/td> 良好<\/span><\/p><\/td> 良好<\/span><\/p><\/td> 无明显变化<\/span><\/p><\/td> <\/tr> 那龙河<\/span><\/p><\/td> 尖山<\/span><\/p><\/td> Ⅲ<\/span><\/p><\/td> Ⅲ<\/span><\/p><\/td> 良好<\/span><\/p><\/td> 良好<\/span><\/p><\/td> 无明显变化<\/span><\/p><\/td> <\/tr> 寿长河<\/span><\/p><\/td> 寿长<\/span><\/p><\/td> Ⅲ<\/span><\/p><\/td> Ⅲ<\/span><\/p><\/td> 良好<\/span><\/p><\/td> 良好<\/span><\/p><\/td> 无明显变化<\/span><\/p><\/td> <\/tr> 丰头河<\/span><\/p><\/td> 大泉<\/span><\/p><\/td> Ⅱ<\/span><\/p><\/td> Ⅲ<\/span><\/p><\/td> 优<\/span><\/p><\/td> 良好<\/span><\/p><\/td> 水质下降<\/span><\/p><\/td> <\/tr><\/tbody><\/table><\/center> <\/p> 4、考核断面水质<\/span><\/p> （<\/span>1）国考断面<\/span><\/p> 江城、埠场、尖山、寿长、大泉、中朗、河口镇、三甲电站等<\/span>8个国考断面水质为地表水Ⅰ～Ⅲ类，水质优良率为100%<\/span>，与上年相比持平，水质状况为优良。<\/span><\/span><\/p> （<\/span>2）省考水功能区断面<\/span><\/p> 根据全指标（<\/span>23个指标）年均值评价方法，23个省级水功能区除石河水库水质为为Ⅳ类外（超标因子为总磷），其余断面水质状况为Ⅱ～Ⅲ类，断面水质优良率为95.7%，与上年相比上升4.4<\/span>个百分点。<\/span><\/span><\/p> （二）近岸海域水环境<\/strong><\/span><\/p> 2023<\/span>年阳江市近岸海域年均优良面积比例为97.7%，春季、夏季和秋季分别为93.4%、100.0%和99.7%；一类、二类、三类、四类和 劣四类年均面积比例分别为83.3%、14.4%、1.3%、0.4%和0.6%。<\/span><\/p> 水质污染因子主要包括无机氮和活性磷酸盐，分别超标<\/span>4次和1次。<\/span><\/p> 与上年相比，一类比例下降<\/span>5.1个百分点，二类比例上升4.7个百分点，三类比例上升0.6个百分点，四类比例下降0.2个百分点，劣四类比例同比持平。<\/span><\/p> 阳江清洁海域、轻度、中度和重度富营养化海域面积比例分别为<\/span>98.8%、0.9%、1.2%和0.1%。<\/span><\/p> 三、声环境质量<\/strong><\/span><\/p> 市区区域环境噪声昼间平均等效声级为58.5<\/span>分贝，声环境质量属“一般”水平，区域环境噪声昼间等效声级值范围为49.1~70.5分贝；夜间平均等效声级为55.4<\/span>分贝，声环境质量属“差”水平，区域环境噪声昼间等效声级值范围为39.4~68.3<\/span>分贝。<\/span><\/span><\/p> 市区的道路交通噪声昼间等效声级值范围为<\/span>62.8~74.3分贝，平均等效声级为68.7分贝，声环境质量属“好”的水平；夜间等效声级值范围为64.2~73.5分贝，平均等效声级为64.8分贝，声环境质量属“一般”的水平。<\/span><\/span><\/p> 市区城市功能区声环境质量昼间点次达标率为<\/span>100%，夜间点次达标率为60%，均与上年持平。<\/span><\/span><\/p> 各县（市、区）区域环境噪声昼间平均等效声级为44.3～69.2<\/span>分贝。阳西县区域环境噪声属“较好”水平，阳春市和阳东区区域环境噪声均属“一般”水平。各县（市、区）道路交通噪声昼间平均等效声级均值为62.0<\/span>～73.0分贝，阳西县属“好”的水平，阳春市和阳东区的均属“较好”的水平；各县（市、区）道路交通噪声夜间平均等效声级均值为57.4～62.4分贝，阳西县属“好”的水平，阳东区属“一般”的水平，阳春市属“较差”的水平。市区及各县声环境质量等级划分情况见下表。<\/span><\/span><\/p> <\/p> 表<\/strong><\/span>4<\/strong><\/span>阳江市区域、交通声环境质量等级划分情况表<\/strong>（昼间）<\/strong><\/span><\/span><\/p> 单位<\/span>dB(A)<\/span><\/p> 区域<\/span>\/项目<\/span><\/p><\/td> 市区<\/span><\/p><\/td> 阳东区<\/span><\/p><\/td> 阳西县<\/span><\/p><\/td> 阳春市<\/span><\/p><\/td> <\/tr> 区域环境噪声有效监测点（个）<\/span><\/p><\/td> 102<\/span><\/p><\/td> 103<\/span><\/p><\/td> 114<\/span><\/p><\/td> 120<\/span><\/p><\/td> <\/tr> 区域环境噪声值（<\/span>Leq）<\/span><\/p><\/td> 58.5<\/span><\/span><\/span><\/p><\/td> 57.0<\/span><\/span><\/span><\/p><\/td> 54.0<\/span><\/span><\/span><\/p><\/td> 57.3<\/span><\/span><\/span><\/p><\/td> <\/tr> 区域环境噪声总体水平等级划分<\/span><\/p><\/td> 一般<\/span><\/p><\/td> 一般<\/span><\/p><\/td> 较好<\/span><\/p><\/td> 一般<\/span><\/p><\/td> <\/tr> 道路交通噪声监测点（个）<\/span><\/p><\/td> 48<\/span><\/p><\/td> 13<\/span><\/p><\/td> 20<\/span><\/p><\/td> 19<\/span><\/p><\/td> <\/tr> 道路交通噪声值（<\/span>Leq）<\/span><\/p><\/td> 68.7<\/span><\/p><\/td> 67.8<\/span><\/p><\/td> 64.7<\/span><\/p><\/td> 67.6<\/span><\/p><\/td> <\/tr> 道路交通噪声强度等级划分<\/span><\/p><\/td> 较好<\/span><\/p><\/td> 好<\/span><\/p><\/td> 好<\/span><\/p><\/td> 好<\/span><\/p><\/td> <\/tr><\/tbody><\/table> <\/p> <\/p> <\/p> 表<\/strong><\/span>5<\/strong><\/span>阳江市区域、交通声环境质量等级划分情况表<\/strong>（夜间）<\/strong><\/span><\/span><\/p> 单位<\/span>dB(A)<\/span><\/p> 区域<\/span>\/项目<\/span><\/p><\/td> 市区<\/span><\/p><\/td> 阳东区<\/span><\/p><\/td> 阳西县<\/span><\/p><\/td> 阳春市<\/span><\/p><\/td> <\/tr> 区域环境噪声有效监测点（个）<\/span><\/p><\/td> 102<\/span><\/p><\/td> 103<\/span><\/p><\/td> 114<\/span><\/p><\/td> 120<\/span><\/p><\/td> <\/tr> 区域环境噪声值（<\/span>Leq）<\/span><\/p><\/td> 55.4<\/span><\/span><\/span><\/p><\/td> 53.3<\/span><\/span><\/span><\/p><\/td> 45.8<\/span><\/span><\/span><\/p><\/td> 53.2<\/span><\/span><\/span><\/p><\/td> <\/tr> 区域环境噪声总体水平等级划分<\/span><\/p><\/td> 差<\/span><\/p><\/td> 较差<\/span><\/p><\/td> 一般<\/span><\/p><\/td> 较差<\/span><\/p><\/td> <\/tr> 道路交通噪声监测点（个）<\/span><\/p><\/td> 48<\/span><\/p><\/td> 13<\/span><\/p><\/td> 20<\/span><\/p><\/td> 19<\/span><\/p><\/td> <\/tr> 道路交通噪声值（<\/span>Leq）<\/span><\/p><\/td> 64.8<\/span><\/p><\/td> 61.6<\/span><\/p><\/td> 57.4<\/span><\/p><\/td> 62.4<\/span><\/p><\/td> <\/tr> 道路交通噪声强度等级划分<\/span><\/p><\/td> 差<\/span><\/p><\/td> 一般<\/span><\/p><\/td> 好<\/span><\/p><\/td> 较差<\/span><\/p><\/td> <\/tr><\/tbody><\/table> <\/p> <\/p> 查看信息来源网站 快照：2024-11-22 收藏 相关信息 采购公告 广东 2023年阳江市生态环境质量状况公报 来源阳江市生态环境局 时间：2024-11-22 采购公告 广东 阳江市生态环境局拟对阳江阳春润龙风电场二期项目环境影响评价文件进行审查的公示 来源阳江市生态环境局 时间：2024-11-20 采购公告 广东 阳江市生态环境局拟对阳江110千伏桃源（大八）输变电工程（重大变动）环境影响评价文件进行审查的公示 来源阳江市生态环境局 时间：2024-11-20 采购公告 广东 阳江市生态环境局拟对阳江110千伏海朗站扩建第二台主变工程环境影响评价文件进行审查的公示 来源阳江市生态环境局 时间：2024-11-20 采购公告 广东 阳江市生态环境局拟对广东省阳江南鹏岛海域中广核国家级海洋牧场示范区人工鱼礁建设项目环境影响评价文件进行审查的公示 来源阳江市生态环境局 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