1. miaoski
  2. pm25
  3. 113511923
column value
GUID 54dc1e06-61ac-489f-a77f-0c3cd38a10d1
date 2015-09-17T11:23:00
humidity 38.75
temperature 31.5
pm25 26.439166666667
geox 120.218
geoy 23.006