1. miaoski
  2. pm25
  3. 112046593
column value
GUID 54dc1e06-61ac-489f-a77f-0c3cd38a10d1
date 2015-09-13T08:48:00
humidity 34.818181818182
temperature 31.090909090909
pm25 13.799090909091
geox 120.218
geoy 23.006