1. miaoski
  2. pm25
  3. 110456669
column value
GUID 54dc1e06-61ac-489f-a77f-0c3cd38a10d1
date 2015-09-08T11:21:00
humidity 45.416666666667
temperature 29.5
pm25 3.1125
geox 120.218
geoy 23.006