1. miaoski
  2. pm25
  3. 109375527
column value
GUID 54dc1e06-61ac-489f-a77f-0c3cd38a10d1
date 2015-07-28 02:06:00
humidity 43.5
temperature 32
pm25 32.151666666667
geox 120.218
geoy 23.006