1. miaoski
  2. pm25
  3. 112047416
column value
GUID 54dc1e06-61ac-489f-a77f-0c3cd38a10d1
date 2015-09-13T08:58:00
humidity 36.25
temperature 30.5
pm25 16.440833333333
geox 120.218
geoy 23.006