1. miaoski
  2. pm25
  3. 115492323
column value
GUID 54dc1e06-61ac-489f-a77f-0c3cd38a10d1
date 2015-09-24T02:14:00
humidity 40.25
temperature 30.75
pm25 15.730833333333
geox 120.218
geoy 23.006