1. miaoski
  2. pm25
  3. 109705513
column value
GUID 54dc1e06-61ac-489f-a77f-0c3cd38a10d1
date 2015-09-06T10:29:00
humidity 43.75
temperature 32.333333333333
pm25 5.465
geox 120.218
geoy 23.006