Wisconsin Partners for Clean Air (WPCA) was a coalition of over 250 businesses, community organizations, schools and government agencies committed to improving air quality through voluntary action. Information on this site will not be updated after June 2018.If you have questions, please contact Lindsay Haas with the Wisconsin Dept. of Natural Resources. Air Quality Advisory Information WPCA created a Tip Sheet for members to use during Air Quality Advisories. For additional information, visit the Wisconsin DNR's Air Quality Status webpage. WPCA is a proud SmartWay Affiliate EPA's SmartWay program helps companies advance supply chain sustainability by measuring, benchmarking, and improving freight transportation efficiency. To learn more about SmartWay, visit https://www.epa.gov/smartway.