ambient air quality

基本解釋

In 2004, 210 cities exceeded the Class 2 limit values of the National Ambient Air Quality Standard (NAAQS) within the total 342 monitored cities.
2004年，受監(jiān)測的342個城市中有210個城市的空氣質量超過了國家環(huán)境空氣質量標準的二級標準。
cleanairinitiative.org
On the base of the result about declaring register, the article introduced the countermeasure about improve ambient air quality. It can provide the secundum for leadership.
在沈陽市大氣污染物申報登記和分析評價的基礎上，提出了沈陽市改善環(huán)境空氣質量的對策，旨在為領導決策提供依據．。
The reference for formulating Chinese environmental quality standards is provided by analyzing the formulating procedure and process on ambient air quality standard in EC.
通過分析歐盟環(huán)境空氣質量標準的制訂過程，為我國環(huán)境質量標準的制訂提供參考與借鑒。

Edison is very concerned about local ambient air quality and environmental-justice issues.
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