1. miaoski
  2. pm25
  3. 109374465
column value
GUID 54dc1e06-61ac-489f-a77f-0c3cd38a10d1
date 2015-07-27 14:57:00
humidity 51.75
temperature 28.75
pm25 1.9183333333333
geox 120.218
geoy 23.006