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Using meteorological data and horal pollutant concentrations data from 1 August 2001 to 31 July 2002, the temporal and spatial distribution characteristics of air pollutant concentrations and the influence of meteorological and non meteorological conditions on pollutant concentrations are analyzed. The results indicate that the air quality in Fuzhou is good, better in the summer half year than in the winter half year. The daily variations of air pollutants are obvious. The variations of air pollutant concentrations are correlated with meteorological conditions. Various meteorological factors affect air pollutant concentrations, but the linear correlation is not obvious. The human activity is one of main influencing mechanisms on the air pollutant concentrations.