求翻译：大家好，现在由我来给大家扩充一下与空气质量指数相关的一些知识。空气质量指数（Air Quality Index，简称AQI），是一个用来定量描述空气质量水平的数值。我国采用的是和美国相似的标准，AQI的取值范围位于0 – 500 之间。是什么意思？

Hello everyone , I will now expand to give you some knowledge about air quality indexes.

正在翻译，请等待...

Everybody good, now gives everybody by me to expand and air performance figure correlation some knowledge.The air performance figure (Air Quality Index, is called AQI), is one uses for the quota description air quality level the value.Our country uses is with the American similar standard, the AQI v

正在翻译，请等待...

正在翻译，请等待...