1. miaoski
  2. pm25
  3. 115808804
column value
GUID 54dc1e06-61ac-489f-a77f-0c3cd38a10d1
date 2015-09-25T00:15:00
humidity 42.833333333333
temperature 30.5
pm25 103.255
geox 120.218
geoy 23.006