In this situation, your primary firestarter should be a naked flame, like a good lighter. Then ignite bike inner tube or PJ cotton balls. Bike inner tube emits toxic fumes, but it is not in high enough concentration to injure you. Obviously, you want every bigger fuel source to be as dry as possible. If you cannot get a fire started from inner burning or PJ cotton balls burning, then the fire was never going to be sustainable with naturally available fuels anyway.