1. miaoski
  2. pm25
  3. 109375806
column value
GUID 54dc1e06-61ac-489f-a77f-0c3cd38a10d1
date 2015-07-28 04:59:00
humidity 47.583333333333
temperature 34.5
pm25 20.085
geox 120.218
geoy 23.006