1. miaoski
  2. pm25
  3. 109375470
column value
GUID 54dc1e06-61ac-489f-a77f-0c3cd38a10d1
date 2015-07-28 01:12:00
humidity 42.416666666667
temperature 31.5
pm25 32.325
geox 120.218
geoy 23.006