A summary of non-fire carbon monoxide incidents reported during 2006-2010, by month, by time of day and by type of occupancy.
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During 2006-2010, municipal fire departments responded to an annual average of 72,000 carbon monoxide incidents, excluding incidents where nothing was found or fire was present. These incidents were more common during the winter months, and in residential properties. Carbon monoxide calls to fire departments are more common during the early evening hours.