1. miaoski
  2. pm25
  3. 115186579
column value
GUID 54dc1e06-61ac-489f-a77f-0c3cd38a10d1
date 2015-09-23T04:17:00
humidity 37.5
temperature 31.75
pm25 21.948333333333
geox 120.218
geoy 23.006