1. miaoski
  2. pm25
  3. 109789514
column value
GUID 54dc1e06-61ac-489f-a77f-0c3cd38a10d1
date 2015-09-06T20:03:00
humidity 46.727272727273
temperature 29.090909090909
pm25 0.16545454545455
geox 120.218
geoy 23.006