Three people died from apparent carbon monoxide poisoning at Saguaro Lake in Mesa on Jan. 18, a poison that kills hundreds ...

6. Limitations of MasksWhile masks reduce the immediate impact of air pollution, they are not a complete solution. They do not eliminate exposure to gases like carbon monoxide and are ineffective ...

Carbon monoxide is an odorless and colorless gas ... At the hospital, treatment can include breathing 100% pure oxygen through a mask. For severe poisoning, a person may be placed in an oxygen ...