abbr. air quality index 空气质量指数；Qaisumah；Saudi Arabia 沙特阿拉伯；凯苏马机场（代码）
中文词源
AQI 用法和例句提示：点击例句中的单词，就可以看到词义解释
提示：点击例句中的单词，就可以看到词义解释
Beijing 's average aqi was 145 in 2012 compared with 151 in 2011 and 160 in 2010 .
2012年北京平均空气质量指数是145，2011年和2010年分别为151和160。
He said he was surprised after analyzing the data to find that both average aqi and pm2.5 levels in beijing have gradually improved every year since 2010 .
However , comparing average aqi levels by month may not be the best way to analyze the trend , says steven q. andrews , a beijing-based environmental consultant who has studied beijing 's air pollution for six years .
A deputy to gen. david petraeus , the commander of us forces in iraq , briefed reporters on an emerging profile of recruits to the terrorist organization al qaeda in iraq ( aqi ) that his command had compiled from interviews with aqi detainees .
First , it 's important to understand exactly what aqi measures in the chart above : the weight of solid particles smaller than 2.5 micrometers wide ( commonly known as fine particulates ) that are suspended in an average cubic meter of air .
