1. miaoski
  2. pm25
  3. 110111193
column value
GUID 54dc1e06-61ac-489f-a77f-0c3cd38a10d1
date 2015-09-07T13:23:00
humidity 55
temperature 28
pm25 1.3641666666667
geox 120.218
geoy 23.006