1. miaoski
  2. pm25
  3. 109374697
column value
GUID 54dc1e06-61ac-489f-a77f-0c3cd38a10d1
date 2015-07-27 18:05:00
humidity 47.75
temperature 29
pm25 1.7816666666667
geox 120.218
geoy 23.006