1. miaoski
  2. pm25
  3. 111216436
column value
GUID 54dc1e06-61ac-489f-a77f-0c3cd38a10d1
date 2015-09-10T19:52:00
humidity 41.75
temperature 28
pm25 19.715833333333
geox 120.218
geoy 23.006