通过分析2006～2010年空气自动监测的数据,结果表明:沈阳市这5年空气污染日数占全年总天数的9.9％-12.1％,其中,冬季污染日最多,春季次之,秋季和夏季污染日较少.%On the basis of analyzing automatic monitoring data of air from 2006 to 2010 in Shenyang, this thesis obtains a result that the pollution days account for 9.9%~12.1% of the total days annually. Among these pollution days, winter ranked first, next came spring, and autumn and summer went last.
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