1. miaoski
  2. pm25
  3. 121030266
column value
GUID 54dc1e06-61ac-489f-a77f-0c3cd38a10d1
date 2015-10-28T20:44:00
humidity 82.94
temperature 27.78
pm25 54.6
geox 120.218
geoy 23.006