By analyzing ground observation data, the seasonal variation of total suspended particles (TSP) concentration, size distribution and dry deposition in Beijing are studied.

• 本文利用北京地面气溶胶观测资料；分析了北京气溶胶质量浓度、谱分布和干沉降的季节变化.；结果表明；北京总悬浮颗粒物浓度(TSP)质量浓度有明显的季节变化