Contrary to common misconception, CO doesn't have a visible form. While it is found in the smoke of a fire, carbon monoxide itself is invisible.
While you can smell many of the fossil fuels that produce CO, the poisonous gas itself is odorless.
Carbon monoxide accompanies a crackling fire, but it has no sound of its own. It is a sneaky, heinous, destructive force.
We're here to help with information, advocacy or speaking to your group.