1. miaoski
  2. pm25
  3. 111783027
column value
GUID 54dc1e06-61ac-489f-a77f-0c3cd38a10d1
date 2015-09-12T13:33:00
humidity 37.5
temperature 30.25
pm25 9.975
geox 120.218
geoy 23.006