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자료유형
학술저널
저자정보
박준흥 (아주대학교) 김은혜 (아주대학교) 강윤희 (아주대학교) 김순태 (아주대학교)
저널정보
한국대기환경학회 한국대기환경학회지(국문) 한국대기환경학회지 제40권 제2호
발행연도
2024.4
수록면
225 - 241 (17page)
DOI
10.5572/KOSAE.2024.40.2.225

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In this study, we analyzed changes in criteria air pollutant concentrations across provinces using data from the urban air quality monitoring network spanning 2016 to 2022. We also examined shifts in the Air Quality Index (AQI) from a health impact perspective. Over the seven-year period, national average concentrations of SO₂, NO₂, CO, PM<SUB>2.5</SUB>, and PM<SUB>10</SUB> decreased by 41.1% (1.9 ppb), 27.4% (6.2 ppb), 19.4% (96.6 ppb), 32.9% (8.6 μg/m³), and 32.8% (15.4 μg/m³), respectively. However, O₃ concentration increased by 6.4% (3.1 ppb). After excluding the impacts of foreign emissions, the impacts of domestic emissions resulted in concentration decreases of 24.8% for SO₂ and increases of 5.1% for CO. O₃ concentrations rose in most provinces, particularly in cities with high NOx emissions, suggesting reduced NO titration due to lowered NOx emissions. From the AQI perspective, the most significant air quality improvement during the study was for PM<SUB>2.5</SUB>, followed by PM<SUB>10</SUB> and NO₂. In general, PM<SUB>2.5</SUB> showed the highest daily AQI in winter and O₃ in summer during 2016~2018. However, with worsening O₃ in 2020~2022, O₃ determined the highest AQI on more days. Notably, O₃ increase was pronounced in densely populated areas like the Seoul Metropolitan Area, warranting further research on health impact changes, including the population-weighted concentrations. Based on AQI assessments, PM<SUB>2.5</SUB> and O₃ require urgent reduction efforts. Considering the nature of secondary air pollutants, future air quality management in South Korea should prioritize gaining scientific understanding of their source-receptor relationship to develop cost effective control strategies, alongside precursor emission controls.

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Abstract
1. 서론
2. 연구 방법
3. 결과
4. 결론
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