1. miaoski
  2. pm25
  3. 109375472
column value
GUID 54dc1e06-61ac-489f-a77f-0c3cd38a10d1
date 2015-07-28 01:14:00
humidity 43.5
temperature 31.5
pm25 28.221666666667
geox 120.218
geoy 23.006