1. miaoski
  2. pm25
  3. 109744807
column value
GUID 54dc1e06-61ac-489f-a77f-0c3cd38a10d1
date 2015-09-06T15:44:00
humidity 43.5
temperature 31.5
pm25 1.4941666666667
geox 120.218
geoy 23.006