Abstract: The supervisory and management information system of Beijing air quality (MISBAQ) was designed and developed by means of the geography information system (GIS) ActiveX development mode.The authors have studied the main technological problems,including the development format and aim of MISBAQ and the analysis,design,development and application of MISBAQ.The MISBAQ has the main and basic function of import,output,correction and inquiry of the spatial and attribute data,the spatial analysis function,the trend analysis function and the chart-making function.The MISBAQ has some unique features such as friendly application interface,and convenient operation and maintenance.The MISBAQ is important to the management of Beijing air pollution data.