1. miaoski
  2. pm25
  3. 111187744
column value
GUID 54dc1e06-61ac-489f-a77f-0c3cd38a10d1
date 2015-09-10T19:31:00
humidity 45.5
temperature 31
pm25 32.313333333333
geox 120.218
geoy 23.006