1. miaoski
  2. pm25
  3. 109374428
column value
GUID 54dc1e06-61ac-489f-a77f-0c3cd38a10d1
date 2015-07-27 14:21:00
humidity 51.090909090909
temperature 28.818181818182
pm25 0.79727272727273
geox 120.218
geoy 23.006