利用2008年7月-2009年6月烟台市11个子站的大气臭氧自动连续监测数据，时臭氧浓度的区域分布、季节变化、日变化、与二氧化氮浓度相关性等特征进行分析．结果表明：①郊区臭氧浓度高于市中心区；②臭氧浓度季节变化明显，其大小依次排排列为春季、夏季、秋季和冬季；③臭氧浓度具有明显的日变化，一般在午后浓度较高。夜晚较低，早晨5—6时最低；④臭氧浓度二氧化氮浓度成负相关。%Near-surface ozone research is a leading edge subject in the environmental science field today. Showing from the domestic and abroad research, ozone content is going up now which may lead to rising of atmosphere temperature and serious photochemical pollution then. So ozone research has important meaning for prevention and cure of atmosphere pollution. Using ozone monitoring data of 11 Yantai ozone monitoring stations which from July, 2008 to June, 2009, the article analyses ozone regional distribution, seasonal change, daily change and it＇ s correlation study with NO2. The conclusions are： ①Ozone concentration in suburb is higher than in urban area. ② Ozone concentration has obvious seasonal change, the order from higher to lower is spring, summer, autumn, winter. ③ Ozone concentration has obvious daily change which is higher after noon and lower in night, the lowest is at 5 - 6 o＇ clock. ④The relation between ozone and nitrogen dioxide （ NO2 ） is negative correlation.
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