1. miaoski
  2. pm25
  3. 109616727
column value
GUID 54dc1e06-61ac-489f-a77f-0c3cd38a10d1
date 2015-09-06T01:44:00
humidity 43.916666666667
temperature 30.5
pm25 1.325
geox 120.218
geoy 23.006