Public data available at https://oceancolor.gsfc.nasa.gov/about/projects/cyan/. Portions of this dataset are inaccessible because: Public data available at https://oceancolor.gsfc.nasa.gov/about/projects/cyan/. They can be accessed through the following means: Public data available at https://oceancolor.gsfc.nasa.gov/about/projects/cyan/. Format: Public data available at https://oceancolor.gsfc.nasa.gov/about/projects/cyan/. This dataset is associated with the following publication: Lavery, A.M., J. Murray, A.F. Pennington, B. Schaeffer, B. Seegers, E. Hilborn, K. Loftin, S. Scroggins, and L. Backer. Cyanobacterial bloom occurrence and emergency department visits for asthma or wheeze, Wisconsin, 2017-2019. Environmental Epidemiology. Wolters Kluwer, Alphen aan den Rijn, NETHERLANDS, 10(3): e439, (2026).