An air burst don't produce much fallout. And the really dangerous fallout from a ground burst don't reach that far, and it lasts only a few hours. Russia may s

An air burst don't produce much fallout. And the really dangerous fallout from a ground burst don't reach that far, and it lasts only a few hours. Russia may suffer some fallout, maybe enough to slightly increase cancer rates in some areas, but I guess that after using nuclear weapons, Russia will have more pressing problems than a couple of people getting sick.