科技视界
科技視界
과기시계
Science&Technology Vision
2014年
1期
314-315
,共2页
营口市%空气质量%变化趋势
營口市%空氣質量%變化趨勢
영구시%공기질량%변화추세
Yingkou%Air quality%Tendency
“十一五”期间,营口市环境空气质量持续改善,主要污染物浓度明显下降,全部达到二级标准,优良天数逐年增加。
“十一五”期間,營口市環境空氣質量持續改善,主要汙染物濃度明顯下降,全部達到二級標準,優良天數逐年增加。
“십일오”기간,영구시배경공기질량지속개선,주요오염물농도명현하강,전부체도이급표준,우량천수축년증가。
Improving air quality, decreasing significantly of the main pollutants concentration and increasing of the fine days year by year in Yingkou, those have attained the Grade II standards for urban air quality for“The 11th Five”periods.