1. miaoski
  2. pm25
  3. 115607203
column value
GUID 54dc1e06-61ac-489f-a77f-0c3cd38a10d1
date 2015-09-24T11:07:00
humidity 41.5
temperature 30
pm25 32.526666666667
geox 120.218
geoy 23.006