Merrimack, NH (March 31, 2026) – Emergency units responded to a carbon monoxide incident at a residence on Wasserman Heights in Merrimack on Tuesday, March 31..
Crews arrived to find multiple patients affected by carbon monoxide exposure. Three individuals were identified, including an 18-month-old child. All three were evaluated at the scene before being taken by ambulance to a nearby hospital for further care.
Air medical transport was requested, but could not respond due to weather conditions. Emergency teams remained on site to assist the patients and secure the area.
Additional details about the source of the carbon monoxide have not been released. The incident remains under review by authorities.
Our thoughts are with those affected as they continue to receive medical care.
How Carbon Monoxide Exposure Can Impact Health in Homes
Carbon monoxide is a colorless, odorless gas that can build up indoors without warning. It is often produced by fuel-burning appliances such as furnaces, stoves, or generators. When ventilation is poor or equipment malfunctions, the gas can accumulate to dangerous levels.
Exposure can affect people differently depending on how long they are in contact with the gas and how concentrated it is. Common symptoms may include headaches, dizziness, nausea, or confusion. In more serious cases, it can lead to loss of consciousness.
Young children are especially vulnerable because of their smaller size and developing bodies. Early detection systems like carbon monoxide alarms can help alert occupants before levels become harmful. Proper maintenance of household appliances can also reduce the risk of exposure.
