Data and code for Olson et al. Wildfires in the western United States are mobilizing PM2.5-associated nutrients and may be contributing to downwind cyanobacteria blooms. This dataset is associated with the following publication: Olson, N., K. Boaggio, R. Rice, K. Foley, and S. Leduc. Wildfires in the western United States are mobilizing PM2.5-associated nutrients and may be contributing to downwind cyanobacteria blooms. Environmental Science: Processes & Impacts. Royal Society of Chemistry, Cambridge, UK, 25: 1049-1066, (2023).