Lake Erie’s summer harmful algal bloom season has come to an end, and @NOAA and partners have issued the final bulletin. The 2023 western Lake Erie cyanobacterial bloom had a severity index of 5.3, which is moderately severe, and less intense than 2022.
Learn more about Lake Erie’s HAB season https://coastalscience.noaa.gov/news/2023-lake-erie-algal-bloom-more-severe-than-predicted-by-seasonal-forecast/