Description: The article reviews the problems of determining the prevalence of hazardous chemicals in the atmosphere of various information-analytical system (IAS). The expediency of the introduction of the monitoring unit in the IAS, which provides data for building a more accurate picture of the distribution of concentrations. The problem of determining the prevalence of hazardous chemicals and developed her critical method based on regression analysis of monitoring data. The analysis of regression functions and determined the optimal function.
Keywords: monitoring, primary processing of information, emergency, information and analytical system, regression analysis