1. miaoski
  2. pm25
  3. 109375172
column value
GUID 54dc1e06-61ac-489f-a77f-0c3cd38a10d1
date 2015-07-27 22:37:00
humidity 47.3
temperature 28.5
pm25 0.588
geox 120.218
geoy 23.006