1. miaoski
  2. pm25
  3. 109369581
column value
GUID 54dc1e06-61ac-489f-a77f-0c3cd38a10d1
date 2015-09-05T12:17:00
humidity 42
temperature 31.5
pm25 1.5883333333333
geox 120.218
geoy 23.006