Issue:
Since the traffic graphs are always displayed descending towards the end, some users might get confused/worried something went downhill just today.
Solution:
Put some dotted vertical lines at the X value of the current day in the graph to show that this part of the graph shows uncalculated values:
Actually, I believe that smoothing this graph is the wrong way to present this data. It should be a simple bar chart—it would be much easier to read out daily transfers. It would be less shiny, but more usable. And this issue wouldn’t matter then either.