1. miaoski
  2. pm25
  3. 112085457
column value
GUID 54dc1e06-61ac-489f-a77f-0c3cd38a10d1
date 2015-09-13T13:59:00
humidity 40
temperature 31.5
pm25 41.630833333333
geox 120.218
geoy 23.006