1. miaoski
  2. pm25
  3. 125137603
column value
GUID 54dc1e06-61ac-489f-a77f-0c3cd38a10d1
date 2015-11-09T08:17:00
humidity 99.9
temperature 28.35
pm25 65.5
geox 120.218
geoy 23.006