1. miaoski
  2. pm25
  3. 112796586
column value
GUID 54dc1e06-61ac-489f-a77f-0c3cd38a10d1
date 2015-09-15T11:05:00
humidity 40.75
temperature 31.833333333333
pm25 29.8825
geox 120.218
geoy 23.006