1. miaoski
  2. pm25
  3. 109375435
column value
GUID 54dc1e06-61ac-489f-a77f-0c3cd38a10d1
date 2015-07-28 00:37:00
humidity 43.25
temperature 30.416666666667
pm25 1.8325
geox 120.218
geoy 23.006