1. miaoski
  2. pm25
  3. 109702658
column value
GUID 54dc1e06-61ac-489f-a77f-0c3cd38a10d1
date 2015-09-06T10:08:00
humidity 41.333333333333
temperature 31.25
pm25 0.095
geox 120.218
geoy 23.006