1. miaoski
  2. pm25
  3. 114728659
column value
GUID 54dc1e06-61ac-489f-a77f-0c3cd38a10d1
date 2015-09-21T00:35:00
humidity 39.916666666667
temperature 30
pm25 50.045
geox 120.218
geoy 23.006