1. miaoski
  2. pm25
  3. 121056243
column value
GUID 54dc1e06-61ac-489f-a77f-0c3cd38a10d1
date 2015-10-28T20:59:00
humidity 82.3
temperature 27.9
pm25 50.333333333333
geox 120.218
geoy 23.006