PM2.5含量的單位是微克/立方米，空氣質量指數API沒有單位。

來源: 我愛丁二酸鈉於 2016-09-14 13:52:20 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.