1. miaoski
  2. pm25
  3. 110421065
column value
GUID 54dc1e06-61ac-489f-a77f-0c3cd38a10d1
date 2015-09-08T07:23:00
humidity 43.090909090909
temperature 30.090909090909
pm25 7.02
geox 120.218
geoy 23.006