1. miaoski
  2. pm25
  3. 119192827
column value
GUID 54dc1e06-61ac-489f-a77f-0c3cd38a10d1
date 2015-10-23T07:56:00
humidity 72.3
temperature 30.7
pm25 41.5
geox 120.218
geoy 23.006