1. miaoski
  2. pm25
  3. 119727451
column value
GUID 54dc1e06-61ac-489f-a77f-0c3cd38a10d1
date 2015-10-25T03:10:00
humidity 70.475
temperature 30.5
pm25 51.75
geox 120.218
geoy 23.006