The article is devoted the problem of designing the basic elements of eco-information system for monitoring the environment in Irkutsk region (EISM) for predicting the evolution of its states. On the basis intended for the organization of parametric monitoring of various kinds of natural and industrial and commercial facilities eco-information system integrated assessment monitoring parameters «EkoSKOP-M», developed by the Center for the dual monitor environment and natural resources, performed component-wise assessment of the state of the environment in Irkutsk region.