Assessment of air pollution due to ozone in the north-east region Romania

Alina Nistor, B. Nistor, D. Mihăilă
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引用次数: 1

Abstract

The results of air quality monitoring in automatic stations in the North-East Region-Romania (RNER) region in the period 2009 - 2020 indicated that the declared ozone concentration values were generally lower than those regulated by law - information threshold > 180 μg/m3 as required by Directive 2008/50/EC and Law 104/2011. Air quality in RNER relative to ozone concentration was good, with only one exceeding of the information threshold (NT1 - 28 April 2009, 12:00 - 180,28 μg/m3). The highest multi-annual averages (2009 – 2020) were calculated for IS 4 stations (59,5 μg/m3), EM 3 (53,4 μg/m3) and SV 1 (50,3 μg/m3). High values were generally recorded at urban-type stations, where urban characteristics, heavy road transport and the presence of airports generated high ozone concentrations. The lowest multi-annual ozone concentrations were calculated for stations VS 1 (41,5 μg/m3), BC 2 (41,9 μg/m3), IS 3 (42,0 μg/m3) and BC 3 (42,7 μg/m3). Low values were generally registered at industrial stations, where the atmospheric calm and the frequency of urban haze favored the accumulation of pollutants on the soil surface, limiting the formation of ozone. Ozone pollution is viewed with concern by environmental specialists in RNER, due to the fact that this element has a negative impact on people and the environment.
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罗马尼亚东北部地区臭氧造成的空气污染评估
2009年至2020年期间,罗马尼亚东北地区(RNER)地区自动监测站的空气质量监测结果表明,公布的臭氧浓度值通常低于法律规定的值——根据2008/50/EC指令和第104/2011号法律的要求,信息阈值>180微克/立方米。相对于臭氧浓度,RNER的空气质量良好,只有一次超过信息阈值(NT1-2009年4月28日,12:00-180,28微克/立方米)。IS 4站(59.5μg/m3)、EM 3站(53.4μg/m3)和SV 1站(50.3μg/m3)的多年平均值最高(2009-2010年)。城市类型的站点通常记录到高值,在这些站点,城市特征、重型道路运输和机场的存在产生了高臭氧浓度。计算了VS 1(41.5μg/m3)、BC 2(41.9μg/m3),IS 3(42.0μg/m3)和BC 3(42.7μg/m3)站的多年最低臭氧浓度。工业站的数值通常较低,那里的大气平静和城市雾霾的频率有利于污染物在土壤表面的积累,限制了臭氧的形成。臭氧污染受到RNER环境专家的关注,因为这一因素对人类和环境产生了负面影响。
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