1. miaoski
  2. pm25
  3. 111464788
column value
GUID 54dc1e06-61ac-489f-a77f-0c3cd38a10d1
date 2015-09-11T08:43:00
humidity 34.916666666667
temperature 31.5
pm25 11.465
geox 120.218
geoy 23.006