1. miaoski
  2. pm25
  3. 120928243
column value
GUID 54dc1e06-61ac-489f-a77f-0c3cd38a10d1
date 2015-10-28T12:48:00
humidity 80.84
temperature 28.04
pm25 43.6
geox 120.218
geoy 23.006