1. miaoski
  2. pm25
  3. 115812840
column value
GUID 54dc1e06-61ac-489f-a77f-0c3cd38a10d1
date 2015-09-25T00:27:00
humidity 42.5
temperature 30.5
pm25 104.81083333333
geox 120.218
geoy 23.006