1. miaoski
  2. pm25
  3. 109374616
column value
GUID 54dc1e06-61ac-489f-a77f-0c3cd38a10d1
date 2015-07-27 16:47:00
humidity 48.75
temperature 28.25
pm25 1.8283333333333
geox 120.218
geoy 23.006