1. miaoski
  2. pm25
  3. 113136654
column value
GUID 54dc1e06-61ac-489f-a77f-0c3cd38a10d1
date 2015-09-16T09:50:00
humidity 38.25
temperature 30.5
pm25 24.183333333333
geox 120.218
geoy 23.006