1. miaoski
  2. pm25
  3. 110831278
column value
GUID 54dc1e06-61ac-489f-a77f-0c3cd38a10d1
date 2015-09-09T14:50:00
humidity 40.75
temperature 31
pm25 6.9516666666667
geox 120.218
geoy 23.006