1. miaoski
  2. pm25
  3. 111493743
column value
GUID 54dc1e06-61ac-489f-a77f-0c3cd38a10d1
date 2015-09-11T12:42:00
humidity 36.75
temperature 30.75
pm25 14.658333333333
geox 120.218
geoy 23.006