1. miaoski
  2. pm25
  3. 116522228
column value
GUID 54dc1e06-61ac-489f-a77f-0c3cd38a10d1
date 2015-09-27T08:17:00
humidity 39
temperature 29.5
pm25 27.766666666667
geox 120.218
geoy 23.006