1. miaoski
  2. pm25
  3. 110829734
column value
GUID 54dc1e06-61ac-489f-a77f-0c3cd38a10d1
date 2015-09-09T14:31:00
humidity 39.545454545455
temperature 30
pm25 10.890909090909
geox 120.218
geoy 23.006