1. miaoski
  2. pm25
  3. 115959258
column value
GUID 54dc1e06-61ac-489f-a77f-0c3cd38a10d1
date 2015-09-25T08:33:00
humidity 38.5
temperature 30.75
pm25 16.755833333333
geox 120.218
geoy 23.006