天津统计年鉴 2008，栏目：第9篇城市建设和环境保护>>9-14 城市水、大气、声、生态环境基本情况，共1页
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| 9-14城市水、大气、声、生态环境基本情况(2004-2007年) |
| URBAN
WATER,ATMOSPHERIC,ACOUSTIC AND ECOLOGICAL ENVIRONMENT,2004-2007 |
| 指标Item |
2004 |
2005 |
2006 |
2007 |
| 水环境情况Water
Environment Conditions |
|
| 城市饮用水源地水质达标率(%) |
|
| Urban Drinking Water
Sources Quality Rate(%) |
*** |
*** |
*** |
*** |
| 近海海域功能区水质达标率(%) |
|
|
| Inshore Area Water Quality
Rate(%) |
*** |
*** |
*** |
*** |
| 大气环境情况Atmospheric Environment
Conditions |
|
|
| 可吸入颗粒物(毫克/立方米) |
|
| (PM10)Paticulate
Matters(milligram/cu.m) |
*** |
*** |
*** |
*** |
| 二氧化硫(毫克/立方米) |
|
| (SO2)Sulphur
Dioxide(milligram/cu.m) |
*** |
*** |
*** |
*** |
| 二氧化氮(毫克/立方米) |
|
| (NO2)Nitrogen
Dioxide(milligram/cu.m) |
*** |
*** |
*** |
*** |
| 空气质量达到及好于二级的天数(天) |
|
| Days of Air Quality
Equal to or Above Grade II(day) |
*** |
*** |
*** |
*** |
| 环境空气质量优良率(%) |
|
| Ambient Air Quality
Fine Rate(%) |
*** |
*** |
*** |
*** |
| 声环境情况Acoustic Environment
Conditions |
|
| 城市交通噪声等效声级(分贝) |
|
| Equivalent Sound Level of City Traffic
Noise(decibel) |
*** |
*** |
*** |
*** |
| 城市区域环境噪声平均声级(分贝) |
|
| Urban Area Average
Environmental Noise Level(decibel) |
*** |
*** |
*** |
*** |
| 生态环境情况 Ecological Environment
Conditions |
|
| 自然保护区（个） |
|
| Nature Reserves(unit) |
*** |
*** |
*** |
*** |
| 自然保护区面积（万公顷） |
|
| Nature Reserves Area(10
000 hectare) |
*** |
*** |
*** |
*** |
|
|
|
|
|
|