1. miaoski
  2. pm25
  3. 116532778
column value
GUID 54dc1e06-61ac-489f-a77f-0c3cd38a10d1
date 2015-09-27T09:34:00
humidity 39.5
temperature 28.5
pm25 40.580833333333
geox 120.218
geoy 23.006