Carbon Monoxide (CO) Standards

The Clean Air Act requires EPA to set national air quality standards for carbon monoxide and five other pollutants considered harmful to public health and the environment (the other pollutants are ozone, particulate matter, nitrogen oxides, sulfur dioxide and lead). The law also requires EPA to periodically review the standards to ensure that they provide adequate health and environmental protection, and to update those standards as necessary. Learn more about this process

Contact:       David McKee
                         mckee.dave@epa.gov
                         919-541-5288

Documents from Current Review

• Planning Documents
• Integrated Science Assessments
• Risk and Exposure Assessments
• Policy Assessments
• Other Technical Documents
• CASAC Documents
• Federal Register Notices
• Response to Comments Document
• Regulatory Impact Analysis
• Litigation

Documents from Previous Reviews

Air Quality Index

Plain Language Information About Pollutant

Summary of Current NAAQS Table