Carbon Monoxide (CO) Data Map

CO is a poisonous gas that, when introduced into the bloodstream, inhibits the delivery of oxygen to body tissue. The health risk is greatest for individuals with cardiovascular disease.

IDEM operates five continuous CO monitoring sites that are polled hourly in order to obtain the most current information. This continuous data is available by clicking on the map or the table:

East Chicago - Post Office
Evansville - Lloyd
Ft Wayne - Career Cntr.
Indpls - E 16th St
Indpls - I-70 E
Indpls - N. Illinois St.
Indpls - Washington Park
Carbon Monoxide Monitor Sites
County City Site
Allen Fort Wayne Fort Wayne - Career Cntr.*
Lake East Chicago East Chicago - Post Office
Marion Indianapolis Indpls - E 16th St*
Marion Indianapolis Indpls - I-70 E
Marion Indianapolis Indpls - N. Illinois St
Marion Indianapolis Indpls - Washington Park
Vanderburgh Evansville Evansville - Lloyd

* This link accesses historical data.

Air Ambient Monitor Links