1. miaoski
  2. pm25
  3. 109374529
column value
GUID 54dc1e06-61ac-489f-a77f-0c3cd38a10d1
date 2015-07-27 15:59:00
humidity 51.416666666667
temperature 28.75
pm25 1.3275
geox 120.218
geoy 23.006