1. miaoski
  2. pm25
  3. 114788339
column value
GUID 54dc1e06-61ac-489f-a77f-0c3cd38a10d1
date 2015-09-21T04:16:00
humidity 40.5
temperature 31.75
pm25 20.395
geox 120.218
geoy 23.006