1. miaoski
  2. pm25
  3. 119193138
column value
GUID 54dc1e06-61ac-489f-a77f-0c3cd38a10d1
date 2015-10-23T07:59:00
humidity 71.616666666667
temperature 30.75
pm25 41
geox 120.218
geoy 23.006