1. miaoski
  2. pm25
  3. 121060639
column value
GUID 54dc1e06-61ac-489f-a77f-0c3cd38a10d1
date 2015-10-28T21:00:00
humidity 82.011111111111
temperature 27.944444444444
pm25 51.111111111111
geox 120.218
geoy 23.006