1. miaoski
  2. pm25
  3. 109375697
column value
GUID 54dc1e06-61ac-489f-a77f-0c3cd38a10d1
date 2015-07-28 03:12:00
humidity 43.5
temperature 31.416666666667
pm25 19.51
geox 120.218
geoy 23.006