The best carbon monoxide alarms for travel are “low-level” alarms that can detect the toxic gas at levels as low as 10 parts per million (ppm), according to a 2022 paper authored by Hampson.

Kidde Detect 10 Year Smoke + Carbon Monoxide Alarm is a chunky device that will jut out a full 2 inches from from the wall or ceiling it’s mounted to. Christopher Null/Foundry Everything but Wi-Fi ...

A toxicology report released on April 3 revealed that Gardner’s blood had a carbon monoxide saturation level of 64 percent; that’s 14 percent above the lethal concentration cutoff of 50 percent.

If you have a low-level CO monitor, that can protect you if your house is putting out low-level CO. It can pick it up and prevent you from getting sick or worse,” Smith said.

An 85-decibel alarm will sound if any carbon monoxide is detected, with a peak level memory to record when the unit was last tested. Dual-purpose First Alert BRK SCO2B Smoke and Carbon Monoxide ...