Harmful algal blooms, such as those caused by Karenia brevis in Florida and Pseudo-nitzschia on the West Coast, have significant ecological, economic, and health impacts. These blooms can kill marine wildlife, contaminate beaches, and cause respiratory illnesses in humans. The toxins released by these algae can also enter the air, exacerbating health risks. Coastal economies suffer tens of millions of dollars in losses annually due to these events. The new AI tool developed by NASA could help mitigate these risks by providing early detection and enabling targeted water testing, potentially reducing the spread and impact of blooms.