1. miaoski
  2. pm25
  3. 121026284
column value
GUID 54dc1e06-61ac-489f-a77f-0c3cd38a10d1
date 2015-10-28T20:33:00
humidity 82.1
temperature 27.9
pm25 62.5
geox 120.218
geoy 23.006