1. miaoski
  2. pm25
  3. 111245211
column value
GUID 54dc1e06-61ac-489f-a77f-0c3cd38a10d1
date 2015-09-10T20:20:00
humidity 41.727272727273
temperature 29.545454545455
pm25 22.564545454545
geox 120.218
geoy 23.006