The Cabin Air Safety Act of 2026 is designed to enhance the safety and quality of air in commercial aircraft, particularly those using a bleed air system. This legislation addresses concerns about the air quality that passengers and crew breathe during flights, especially in relation to incidents involving engine oil or hydraulic fluid fumes. The Act mandates annual training for flight attendants, pilots, and emergency responders on how to handle smoke or fume events, including identification of different fumes, potential health impacts, and reporting procedures.