1. miaoski
  2. pm25
  3. 113512227
column value
GUID 54dc1e06-61ac-489f-a77f-0c3cd38a10d1
date 2015-09-17T11:27:00
humidity 40.333333333333
temperature 32
pm25 31.2125
geox 120.218
geoy 23.006