对辽宁中部城市群的大气环境研究进行了总结：建立了辽宁中部城市群大气成分监测网，完善了城市群大气环境数据库，建立了大气成分监测分析平台；对城市群大气污染物的扩散输送机制进行了研究，分析了城市间大气污染的相互影响及相互作用，定量计算了不同城市的大气污染物对城市群大气污染的贡献，研究了城市化发展对城市群大气污染的影响；分析了城市群大气污染物的时空分布特征及大气细粒子的时空分布特征，探讨了城市群大气细粒子的来源；研究了沈阳市大气灰霾的演变特征及其污染本质；建立了适合辽宁中部城市群的高分辨率空气质量模式预报系统，并将研究成果在业务中进行了转化应用。

 This paper summarized the atmospheric environment research in multi-cities in the middle of Liaoning province and made the following research advances. It established the atmospheric composition monitoring network of multi-cities in the middle of Liaoning province, improved the multi-cities atmospheric environment database, and established the atmospheric composition monitoring and analysis platform. This paper also studied the multi-cities air-pollutant diffusion and transport mechanism, analyzed the air pollution interaction between cities, computed quantificationally the contribution of different city air pollution to the multi-cities, and studied theeffect of the urbanization development on the multi-cities' air pollution. It analyzed the temporal and spatial distribution character of the air pollution and the fine particles and discussed the source of the mutil-cities air pollution. It studied the evolutionary characteristics and the pollution nature of the atmospheric haze over Shenyang. It established a high-resolution air quality forecasting system model for multi-cities in the middle of Liaoning province. And the achievements in scientific research were used in the operation.