1. miaoski
  2. pm25
  3. 109375719
column value
GUID 54dc1e06-61ac-489f-a77f-0c3cd38a10d1
date 2015-07-28 03:34:00
humidity 47.5
temperature 33.75
pm25 40.249166666667
geox 120.218
geoy 23.006