1. miaoski
  2. pm25
  3. 109375685
column value
GUID 54dc1e06-61ac-489f-a77f-0c3cd38a10d1
date 2015-07-28 03:00:00
humidity 45.75
temperature 31.583333333333
pm25 32.93
geox 120.218
geoy 23.006