The National Association for Clean Air (NACA) is a non-profit organisation established on 21 April 1969 to promote the cause of clean air in South Africand is today the prime technical and scientific non-governmental body in the area of air quality management in South Africa. NACA has Branches around the country – the Northern Branch (Gauteng), the Western Cape Branch, the KwaZulu-Natal Branch and the North-West Branch. Branches are run by the local branch council, and regularly host seminars and discussion forums. The annual NACA Conference rotates between provinces, and the branches are generally the local organising committee of the conference. If there is not an active branch in your areyou will be allocated to the branch geographically closest to you.