1. miaoski
  2. pm25
  3. 118874021
column value
GUID 54dc1e06-61ac-489f-a77f-0c3cd38a10d1
date 2015-10-22T14:54:00
humidity 86
temperature 28.3
pm25 21.333333333333
geox 120.218
geoy 23.006