1. miaoski
  2. pm25
  3. 110302753
column value
GUID 54dc1e06-61ac-489f-a77f-0c3cd38a10d1
date 2015-09-07T23:45:00
humidity 54.5
temperature 28.25
pm25 4.7325
geox 120.218
geoy 23.006