西安统计年鉴 2011，栏目：9 环境保护>>9-1 城市环境保护(2010年)，共1页
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| 9-1城市环境保护(2010年) |
| Urban Environmental
Protection(2010) |
| 指标 |
Item |
2010 |
| 一、饮用水环境 |
Potable Water |
|
| 1.水资源总量(万立方米) |
Total Amount of
Water Resources(10 000cu.m) |
*** |
| #地表水资源量 |
Surface Water Resources |
*** |
| 地下水资源量 |
Groundwater Resources |
*** |
| 2.全市饮用水水质达标率(%) |
Percentage of
Urban Potable Water Quality up to the Standards(%) |
*** |
| 二、大气环境 |
Air |
|
| 1.可吸入颗粒物浓度年平均值(毫克/立方米) |
Annual Average
Concentration of Particulate Matters(mg/cu.m) |
*** |
| 二氧化硫浓度年平均值 |
Annual Average
Concentration of Sulphur Dioxide |
*** |
| 二氧化氮浓度年平均值 |
Annual Average
Concentration of Nitrogen Dioxide |
*** |
| 2.全年空气质量达到及好于二级天数(天) |
Days of Air
Quality up to the Standards(day) |
*** |
| 空气质量达到及好于二级天数占全年比重(%) |
Percentage of Air
Quality up to the Standards(%) |
*** |
| 三、声环境 |
Voice |
|
| 1.功能区噪声平均值(Db(A)) |
Average Noise Value of Functional Districts(Db(A)) |
|
| 0类区 |
Class 0 |
*** |
| 1类区 |
Class 1 |
*** |
| 2类区 |
Class 2 |
*** |
| 3类区 |
Class 3 |
*** |
| 4类区 |
Class 4 |
*** |
| 2.道路交通噪声平均值(Db(A)) |
Average Noise
Value of Road Traffic(Db(A)) |
*** |
| 3.区域噪声平均值(Db(A)) |
Average Noise
Value of Region(Db(A)) |
*** |
|
|
|