1. miaoski
  2. pm25
  3. 116742823
column value
GUID 54dc1e06-61ac-489f-a77f-0c3cd38a10d1
date 2015-09-28T00:23:00
humidity 79.5
temperature 24.75
pm25 7.3725
geox 120.218
geoy 23.006