1. miaoski
  2. pm25
  3. 109374437
column value
GUID 54dc1e06-61ac-489f-a77f-0c3cd38a10d1
date 2015-07-27 14:30:00
humidity 52
temperature 28.333333333333
pm25 0.2025
geox 120.218
geoy 23.006