1. miaoski
  2. pm25
  3. 110420295
column value
GUID 54dc1e06-61ac-489f-a77f-0c3cd38a10d1
date 2015-09-08T07:16:00
humidity 43.166666666667
temperature 30.5
pm25 5.425
geox 120.218
geoy 23.006