I'm on adsbexhange now (7:40amEST) and there are about 6 mil aircraft and two of them are on the ground squawking.

You're sure there were 300 up that recently?

Edit: I will say that it's unusual that there seem to be no surveillance aircraft up. Usually there are one or two. All I see are some C17s, one helicopter and some lighter aircraft. No tankers, no trainers, no H60s. It is a little bit weird.

I'm on adsbexhange now (7:40amEST) and there are about 6 mil aircraft and two of them are on the ground squawking.

You're sure there were 300 up that recently?