Based on the data of Air Pollution Index ( API) and meteorological conditions in Jinan, the relation between air quality status and meteorological conditions is analyzed and the regression equation has been established. The characteristics on synoptic situations during the air pollution process are indicated through the selectively analysis on the heavy air pollution processes in the last two years. These results can provide the forecast on both API and pollution potential with useful reference.%利用济南市空气污染指数资料和气象资料，分析空气质量状况与气象条件的关系规律，建立起空气污染指数与气象要素间的季节性回归方程，并筛选济南市近年来的空气质量重污染过程，分析污染过程时对应的天气形势特征，为济南市的空气污染指数预报和环境保护工作中的污染潜势预报提供参考。
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