1. miaoski
  2. pm25
  3. 114448585
column value
GUID 54dc1e06-61ac-489f-a77f-0c3cd38a10d1
date 2015-09-20T05:07:00
humidity 38.583333333333
temperature 32.75
pm25 59.0125
geox 120.218
geoy 23.006