American Industrial Hygiene Association

The American Industrial Hygiene Association (AIHA) is a professional membership organization of industrial hygienists, and occupational health and safety, and environmental health professionals.

AIHA is one of the largest associations serving the needs of occupational and environmental health professionals practicing industrial hygiene in industry, government, labor, academic institutions, and independent organizations.

Founded in 1939, AIHA is a nonprofit organization with more than 75 local sections. AIHA's 11,600 members are highly educated professionals; 96 percent are college graduates, 51 percent hold master's degrees, and 12 percent possess doctoral degrees.