1. miaoski
  2. pm25
  3. 109375809
column value
GUID 54dc1e06-61ac-489f-a77f-0c3cd38a10d1
date 2015-07-28 05:02:00
humidity 47
temperature 34.083333333333
pm25 44.175
geox 120.218
geoy 23.006