1. miaoski
  2. pm25
  3. 109374659
column value
GUID 54dc1e06-61ac-489f-a77f-0c3cd38a10d1
date 2015-07-27 17:30:00
humidity 48.25
temperature 29.666666666667
pm25 0
geox 120.218
geoy 23.006