1. miaoski
  2. pm25
  3. 109375523
column value
GUID 54dc1e06-61ac-489f-a77f-0c3cd38a10d1
date 2015-07-28 02:02:00
humidity 47.222222222222
temperature 31.222222222222
pm25 9.3366666666667
geox 120.218
geoy 23.006