Based on surface ozone observation data and meteorological data of FuZhou from 2009 to 2010, the effects of different synoptic situations on ozone concentration and the correlation between ozone concentration and meteorological parameters were analyzed. The results show that mean ozone concentration of FuZhou was higher under six synoptic situations including the rear part of high pressures and the ground inverse trough; Ozone concentration was lower under four synoptic situations (low vortex front, typhoon, etc). The periphery of a tropical cyclone (ITCZ) and the low vortex front illustrated ozone concentration highest and lowest episodes, respectively. The synoptic situations (the rear part of high pressures, the ground inverse trough, the warm sector ahead of fronts, etc) which were warm and not helpful to dispersion of pollutants were prone to induce ozone concentration exceeding the national air quality standard. The ozone concentration was obvious positive correlation with temperature, sunshine hours and solar radiation, and it was obvious negative correlation with cloud amount, relative humidity and precipitation. Ozone concentration was high by the influence of southern wind and eastern wind with mean wind speed over 3.5 m·s-1. The ratio of hourly ozone exceeding standard was highest under the SSE wind.%利用2009-2010年福州市近地层臭氧连续观测资料,并结合气象资料分析不同天气型对臭氧浓度变化的影响,以及臭氧浓度与气象要素的相关性.结果表明:在高压后部、地面倒槽等6种天气型影响下,福州市臭氧浓度值较高；在低涡锋面、台风(热带辐合带)等4种天气型影响下,臭氧浓度值较低.导致福州市臭氧平均浓度值最高的天气型是台风(热带辐合带)外围,最低的是低涡锋面系统.高压后部、地面倒槽和锋前暖区等强暖性、且非常不利于污染物扩散的天气型易造成臭氧浓度超标.臭氧浓度与气象要素关系密切,与温度、日照、太阳辐射显著正相关,与云量、相对湿度、降水量显著负相关,受偏南和偏东风影响,平均风速较大时,臭氧浓度较高,在SSE方位上臭氧小时浓度超标率最高.
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