1. miaoski
  2. pm25
  3. 114533657
column value
GUID 54dc1e06-61ac-489f-a77f-0c3cd38a10d1
date 2015-09-20T15:29:00
humidity 38.5
temperature 29.25
pm25 21.241666666667
geox 120.218
geoy 23.006