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Carbon monoxide is a colorless, odorless, very toxic gas produced by the incomplete combustion of carbon-containing fuels, most notably by gasoline powered engines, power plants, and wood fires.
The eight-hour standard can be exceeded during winter months when very stable atmospheric conditions exist.
Use the controls below to select a different date or parameter. Click on the Generate Report button once you have made your selections.Click on the Plot Data button once the tabular report has been generated to open a separate window containing data plots.