1. miaoski
  2. pm25
  3. 120953456
column value
GUID 54dc1e06-61ac-489f-a77f-0c3cd38a10d1
date 2015-10-28T16:51:00
humidity 77.44
temperature 28.6
pm25 48.6
geox 120.218
geoy 23.006