CAJ | 학술논문

对2011年广西主要城市南宁、桂林、北海三市的空气质量状况分析得出：2011年，南宁市空气质量为1级的天数比去年和2003～2010年的年平均天数少2d和26d，3级的天数多7d和20d；桂林市空气质量为1级的天数比去年和2003～2010年的年平均天数少46d和136d，3级的天数多5d和10d；北海市空气质量为1级的天数比去年和2003~2010年的年平均天数少29d和26d，3级的天数多1d和1．86d。南宁、桂林、北海三市的空气质量较去年和历年平均情况差。
대2011년엄서주요성시남저、계림、북해삼시적공기질량상황분석득출：2011년，남저시공기질량위1급적천수비거년화2003～2010년적년평균천수소2d화26d，3급적천수다7d화20d；계림시공기질량위1급적천수비거년화2003～2010년적년평균천수소46d화136d，3급적천수다5d화10d；북해시공기질량위1급적천수비거년화2003~2010년적년평균천수소29d화26d，3급적천수다1d화1．86d。남저、계림、북해삼시적공기질량교거년화력년평균정황차。
Based on analysis of air quality in Nanning, Guilin and Beihai : it is found that, in Nanning the days of city air quality at level 1 are less 2 and 26 days than the last year and average days between 2003 and 2010, days in level 3 are respectively more 7 and 20days, in Guilin days in level 1 are less 46 and 136days, days in level 3 are respectively more 5 and 10days, in Beihai days in level 1 are less 29 and 26days, days in level 3 are respectively more 1 and 1.86days. The results showed that the air quality of these three city was worse than the last year and calendar year average.