1. miaoski
  2. pm25
  3. 110013092
column value
GUID 54dc1e06-61ac-489f-a77f-0c3cd38a10d1
date 2015-09-07T04:33:00
humidity 49.5
temperature 31.5
pm25 13.5875
geox 120.218
geoy 23.006