1. miaoski
  2. pm25
  3. 110415322
column value
GUID 54dc1e06-61ac-489f-a77f-0c3cd38a10d1
date 2015-09-08T07:00:00
humidity 42.25
temperature 30
pm25 5.5816666666667
geox 120.218
geoy 23.006