1. miaoski
  2. pm25
  3. 110663648
column value
GUID 54dc1e06-61ac-489f-a77f-0c3cd38a10d1
date 2015-09-09T00:55:00
humidity 45.5
temperature 31
pm25 19.938333333333
geox 120.218
geoy 23.006