This guideline document and its appendices may assist countries with current and projected air pollution problems in developing a systematic and effective Air Quality Management System (AQMS). It is addressed to national, regional and local authorities concerned with the establishment and operation of an AQMS. The document gives an overview of several AQMS and the applied practice in NATO countries. It describes the AQMS building blocks - assessment, standards and criteria, strategy plans - as well as the technical and economical requirements and their legal and administrative implications. Emphasis is put on the formulations of strategy plans. Major strategy plan options, criteria for the selection of control strategies, surveillance technique, possible interactions with other environmental media, and, the necessity for revision of strategy plans, are described.