1. miaoski
  2. pm25
  3. 110113721
column value
GUID 54dc1e06-61ac-489f-a77f-0c3cd38a10d1
date 2015-09-07T13:40:00
humidity 56
temperature 28.5
pm25 11.493333333333
geox 120.218
geoy 23.006