1. miaoski
  2. pm25
  3. 115499994
column value
GUID 54dc1e06-61ac-489f-a77f-0c3cd38a10d1
date 2015-09-24T02:47:00
humidity 38.545454545455
temperature 31.363636363636
pm25 8.0818181818182
geox 120.218
geoy 23.006