1. miaoski
  2. pm25
  3. 115967011
column value
GUID 54dc1e06-61ac-489f-a77f-0c3cd38a10d1
date 2015-09-25T09:24:00
humidity 39.5
temperature 31
pm25 12.068333333333
geox 120.218
geoy 23.006