1. miaoski
  2. pm25
  3. 109370141
column value
GUID 54dc1e06-61ac-489f-a77f-0c3cd38a10d1
date 2015-09-05T12:23:00
humidity 43.727272727273
temperature 30.727272727273
pm25 0.37363636363636
geox 120.218
geoy 23.006