1. miaoski
  2. pm25
  3. 113169342
column value
GUID 54dc1e06-61ac-489f-a77f-0c3cd38a10d1
date 2015-09-16T14:24:00
humidity 40.25
temperature 30
pm25 7.7566666666667
geox 120.218
geoy 23.006