Air pollution exceedances routinely occur at Thoroughbred racetracks in the contiguous United States

Key Points

• This research aims to highlight the frequent exceedances of air pollution at Thoroughbred racetracks in the contiguous United States.
• Assessment of air quality data from various racetracks
• Evaluation of the potential health impacts on horses, jockeys, and spectators
• Routinely high levels of air pollution detected at monitored sites
• Increased awareness needed for the health risks associated with exposure to poor air quality