A vehicle comprising: a confined chamber comprising a defined compartment in the vehicle; and a detection system to detect airborne impurities in the confined chamber, comprising: an emitter to emit electromagnetic radiation; at least one channel positioned proximate the emitter to receive the electromagnetic radiation from the emitter at a first end of the at least one channel ; and a receiver positioned proximate a second end of the at least one channel to: receive the electromagnetic radiation from the at least one channel ; and generate a first signal in response to the level of the electromagnetic radiation received, wherein the impurities in the confined chamber reduce the level of electromagnetic radiation received by the receiver ; and a control module , comprising logic, and coupled to the emitter and to the receiver to: activate emission of electromagnetic radiation from the emitter ; receive the first signal from the receiver ; and generate a warning when the first signal indicates that the impurities in the chamber have exceeded a threshold; wherein the at least one channel extends along a surface of the compartment ; and wherein the at least one channel is integrated into a surface of the compartment or mounted onto a surface of the compartment . a confined chamber comprising a defined compartment in the vehicle; and a detection system to detect airborne impurities in the confined chamber, comprising: an emitter to emit electromagnetic radiation; at least one channel positioned proximate the emitter to receive the electromagnetic radiation from the emitter at a first end of the at least one channel ; and a receiver positioned proximate a second end of the at least one channel to: receive the electromagnetic radiation from the at least one channel ; and generate a first signal in response to the level of the electromagnetic radiation received, wherein the impurities in the confined chamber reduce the level of electromagnetic radiation received by the receiver ; and a control module , comprising logic, and coupled to the emitter and to the receiver to: activate emission of electromagnetic radiation from the emitter ; receive the first signal from the receiver ; and generate a warning when the first signal indicates that the impurities in the chamber have exceeded a threshold; an emitter to emit electromagnetic radiation; at least one channel positioned proximate the emitter to receive the electromagnetic radiation from the emitter at a first end of the at least one channel ; and a receiver positioned proximate a second end of the at least one channel to: receive the electromagnetic radiation from the at least one channel ; and generate a first signal in response to the level of the electromagnetic radiation received, wherein the impurities in the confined chamber reduce the level of electromagnetic radiation received by the receiver ; and receive the electromagnetic radiation from the at least one channel ; and generate a first signal in response to the level of the electromagnetic radiation received, wherein the impurities in the confined chamber reduce the level of electromagnetic radiation received by the receiver ; and a control module , comprising logic, and coupled to the emitter and to the receiver to: activate emission of electromagnetic radiation from the emitter ; receive the first signal from the receiver ; and generate a warning when the first signal indicates that the impurities in the chamber have exceeded a threshold; activate emission of electromagnetic radiation from the emitter ; receive the first signal from the receiver ; and generate a warning when the first signal indicates that the impurities in the chamber have exceeded a threshold; wherein the at least one channel extends along a surface of the compartment ; and wherein the at least one channel is integrated into a surface of the compartment or mounted onto a surface of the compartment . <EOS>