1. miaoski
  2. pm25
  3. 116529797
column value
GUID 54dc1e06-61ac-489f-a77f-0c3cd38a10d1
date 2015-09-27T09:14:00
humidity 41.5
temperature 30.25
pm25 44.733333333333
geox 120.218
geoy 23.006