26.5% Of UK Residents at Risk of Carbon Monoxide Poisoning 26.5% of survey respondents don't have carbon monoxide alarms installed. 12.3% of those surveyed never test their smoke and carbon monoxide alarms. 12.7% of respondents said they would have no idea what to do in the instance of a carbon monoxide leak. 14.1% said they never check their gas appliances. Of those who hadn't had their gas appliances safety... Read more