1. miaoski
  2. pm25
  3. 120746233
column value
GUID 54dc1e06-61ac-489f-a77f-0c3cd38a10d1
date 2015-10-27T23:02:00
humidity 72.3
temperature 28.6
pm25 52.5
geox 120.218
geoy 23.006