1. miaoski
  2. pm25
  3. 114448256
column value
GUID 54dc1e06-61ac-489f-a77f-0c3cd38a10d1
date 2015-09-20T05:04:00
humidity 37.75
temperature 32
pm25 58.651666666667
geox 120.218
geoy 23.006