1. miaoski
  2. pm25
  3. 115490038
column value
GUID 54dc1e06-61ac-489f-a77f-0c3cd38a10d1
date 2015-09-24T01:53:00
humidity 40.25
temperature 30.5
pm25 5.6891666666667
geox 120.218
geoy 23.006