This Seattle Times article describes the health impacts caused by noise. It points out that noise from any source (ie race vehicles) are degrading our health.
For those interested in the details of the actual research and results goto this URL.
https://www.nature.com/articles/s41370-024-00670-1
Should Pacific Raceways request any new permits for site or building development, SCAR will strongly advocate for a long delayed Environmental Impact Study (EIS) that includes this kind of health impacts study and mitigation to reduce noise to non-health impacting levels.