Abstract: The issue of applying Support Vector Machines（SVM） to evaluate comprehensive environmental quality is explored，and an environmental quality evaluation model is proposed based on SVM.A sample of environmental quality from certain area is adopted and tested.The result shows that the model and algorithm proposed possess convenience，objectivity and high practicability，moreover，there need not any complicated parameter equation for its features of knowledge learning.

Key words: Support Vector Machines（SVM）, environmental quality evaluation, evaluation matrix, composite index

摘要： 为了快速准确地对地区综合环境质量进行评价，提出了基于支持向量机的环境质量评估模型。并以某地区环境监测数据值为样本，进行了环境质量评估分析。实验结果表明，支持向量机应用于环境质量评估无需构建复杂的参数方程，且具有基于知识学习的特性，结构简单实用，具有客观性和通用性。

关键词: 支持向量机, 环境质量评估, 评估矩阵, 综合指数