DELAWARE – In observance of National Carbon Monoxide Awareness Month this November, the Delaware State Fire Marshal’s Office is urging residents to remain vigilant against carbon monoxide (CO), a silent and invisible threat that kills hundreds and sickens thousands every year across the U.S.
Carbon monoxide is produced whenever fuel-burning devices are used, including furnaces, generators, fireplaces, grills, and even vehicles. 
Unlike fire, CO cannot be seen, smelled, or tasted, making it nearly impossible to detect without a working alarm. High levels can cause death in minutes, while prolonged exposure to lower levels may result in chronic health problems. Symptoms of CO poisoning range from headaches, nausea, and dizziness to confusion, shortness of breath, fatigue, blurred vision, and loss of consciousness. Despite its dangers, many homes, hotels, schools, and other public spaces still lack CO alarms. 
The Fire Marshal’s Office emphasizes that simple precautions can save lives. Residents should install CO alarms near sleeping areas and fuel-burning appliances, test them monthly, and follow manufacturer replacement schedules. Annual inspections of furnaces, chimneys, and fireplaces are strongly recommended. Portable CO alarms are also advised when traveling, as most hotels are not required to provide them. Safe use of fuel-burning devices is essential. Generators should always be placed at least 20 feet from any building, and vehicles should never run in enclosed garages, even with doors open. Gas ovens should never be used to heat homes, and exhaust vents for appliances and vehicles must remain clear.
(Photo: Delaware.gov)
The Fire Marshal’s Office encourages Delawareans to take these steps seriously to protect themselves and their loved ones. For more information on carbon monoxide dangers and prevention tips, visit the National Carbon Monoxide Awareness Association at https://www.ncoaa.us/co-awareness-month-2025.
