1. miaoski
  2. pm25
  3. 119678129
column value
GUID 54dc1e06-61ac-489f-a77f-0c3cd38a10d1
date 2015-10-24T22:34:00
humidity 88.225
temperature 28.5
pm25 47.5
geox 120.218
geoy 23.006