1. miaoski
  2. pm25
  3. 109368924
column value
GUID 54dc1e06-61ac-489f-a77f-0c3cd38a10d1
date 2015-09-05T12:10:00
humidity 43.416666666667
temperature 30.5
pm25 0.0075
geox 120.218
geoy 23.006