1. miaoski
  2. pm25
  3. 112764571
column value
GUID 54dc1e06-61ac-489f-a77f-0c3cd38a10d1
date 2015-09-15T07:40:00
humidity 36.5
temperature 31
pm25 28.250833333333
geox 120.218
geoy 23.006