Clean Air Journal最新文献_第5页

NACA conference 2021 2021年NACA会议

Clean Air Journal Pub Date : 2021-12-17 DOI: 10.17159/caj/2020/31/2.12883

Anzel de Lange

引用次数: 0

The new WHO Global Air Quality Guidelines: What do they mean for South Africa? 新的世卫组织全球空气质量指南:对南非意味着什么?

Clean Air Journal Pub Date : 2021-12-17 DOI: 10.17159/caj/2020/31/2.12915

Rebecca Garland, B. Wernecke, G. Feig, Kristy E. Langerman

引用次数: 1

Source apportionment of ambient fine and coarse aerosols in Embalenhle and Kinross, South Africa 南非Embalenle和Kinross环境细颗粒和粗颗粒气溶胶的来源解析

Clean Air Journal Pub Date : 2021-12-17 DOI: 10.17159/caj/2021/31/2.11980

Nicola M. Walton, S. Piketh, P. V. van Zyl, W. Maenhaut, R. Burger, B. Language, P. Formenti

{"title":"Source apportionment of ambient fine and coarse aerosols in Embalenhle and Kinross, South Africa","authors":"Nicola M. Walton, S. Piketh, P. V. van Zyl, W. Maenhaut, R. Burger, B. Language, P. Formenti","doi":"10.17159/caj/2021/31/2.11980","DOIUrl":"https://doi.org/10.17159/caj/2021/31/2.11980","url":null,"abstract":"The South African Highveld is recognised as a region having significant negative ambient air quality impacts with its declaration as an Air Quality Priority Area in 2007. Such areas require the implementation of specific air quality intervention strategies to address the air quality situation. A greater understanding of the composition of the atmospheric aerosol loading and the contributing air pollution sources will assist with the formulation and implementation of these strategies. This study aims to assess the composition and sources of the aerosol loading in Embalenhle and Kinross located on the Highveld. Fine (PM2.5) and coarse (PM2.5-10) aerosol samples were collected during summer and winter, which were quantified using the gravimetric method. Wavelength-Dispersive X-Ray Fluorescence (WD-XRF) and Ion Chromatography (IC) analysis were used to determine the chemical composition of aerosols. Mean PM2.5 concentrations in Embalenhle and Kinross ranged from 16.3 to 34.1 µg/m3 during winter and 7.4 to 19.0 µg/m3 during summer. Mean PM10-2.5 concentrations ranged from 10.3 to 114 µg/m3 during winter and 5.9 to 11.2 µg/m3 during summer. Si, Al, S, Na (winter only), Ca (summer only), SO42- and NH4+ were the most abundant species in PM2.5 during both seasons. In PM10-2.5, Si, Al, Na (winter only), SO42- and F- were the most abundant species during both seasons. The elements S and Ca also had high abundances at Embalenhle and Kinross, respectively, during summer. Source apportionment was undertaken using Positive Matrix Factorisation, which identified five sources. Dust, secondary aerosols, domestic combustion, wood and biomass burning, and industry were determined to be the contributing sources. Any measures to mitigate particulate air pollution on the Highveld should consider these key sources.","PeriodicalId":37511,"journal":{"name":"Clean Air Journal","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-12-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48268377","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 5

Introduction to the special issue: Air quality on the South African Highveld 特刊简介：南非高原的空气质量

Clean Air Journal Pub Date : 2021-12-17 DOI: 10.17159/caj/2020/31/2.12877

E. Masekoameng, G. Kornelius, S. O’Beirne

引用次数: 0

The quality of the first and second Vaal Triangle Airshed Priority Area (VTAPA) Air Quality Management Plans 第一个和第二个Vaal Triangle Airshed Priority Area（VTAPA）空气质量管理计划的质量

Clean Air Journal Pub Date : 2021-12-17 DOI: 10.17159/caj/2020/31/2.12178

Lehlogonolo Moreoane, Phathutshedzo Mukwevho, R. Burger

{"title":"The quality of the first and second Vaal Triangle Airshed Priority Area (VTAPA) Air Quality Management Plans","authors":"Lehlogonolo Moreoane, Phathutshedzo Mukwevho, R. Burger","doi":"10.17159/caj/2020/31/2.12178","DOIUrl":"https://doi.org/10.17159/caj/2020/31/2.12178","url":null,"abstract":"In response to deteriorating air quality, South Africa implemented national programmes that aim to manage and regulate ambient air quality and air pollution. Air Quality Management Plans (AQMPs) are clear outlines of measures and resources needed to achieve air quality objectives in a given geographical area and require support from government, business, industry, non-governmental organisations (NGOs) and the public. The success of the AQMPs depends primarily on the support of all stakeholders and the quality of the management plan. The Vaal Triangle Airshed Priority Area (VTAPA) was declared in 2006 as an area where ambient air quality standards are exceeded or may cause adverse air quality impacts. This research study focused on the VTAPA to evaluate the quality of the first and second-generation AQMPs for the VTAPA. Quality evaluation includes an analysis of procedures, processes, methods and documents. Effectiveness refers to the results of individual activities; therefore, the extent to which the AQMP met the expected outcomes of the review package defined the quality of the AQMP report. Both the first and draft second-generation AQMPs were considered to be of good quality. The first-generation AQMP was found to be of better quality than that of the draft second-generation AQMP. Funding mechanisms need to be investigated to assist in implementing intervention strategies in the AQMP as both the first and draft second-generation AQMPs were found to lack the potential to secure funds. Though the draft second-generation AQMP was found to be of lesser quality, the source apportionment study for identification of all sources as well as a better-outlined air quality management system was found to be good improvements to the AQMP.","PeriodicalId":37511,"journal":{"name":"Clean Air Journal","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-12-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43770491","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

In Memorium, Benton Pillay 本顿·皮莱报道

Clean Air Journal Pub Date : 2021-12-17 DOI: 10.17159/caj/2020/31/2.12914

G. Feig

引用次数: 0

Does apparent temperature modify the effects of air pollution on respiratory disease hospital admissions in an industrial area of South Africa? 在南非的一个工业区，明显的温度是否会改变空气污染对呼吸系统疾病住院的影响？

Clean Air Journal Pub Date : 2021-10-18 DOI: 10.17159/caj/2021/31/2.11366

B. Olutola, J. Wichmann

{"title":"Does apparent temperature modify the effects of air pollution on respiratory disease hospital admissions in an industrial area of South Africa?","authors":"B. Olutola, J. Wichmann","doi":"10.17159/caj/2021/31/2.11366","DOIUrl":"https://doi.org/10.17159/caj/2021/31/2.11366","url":null,"abstract":"Background: Temperature and air pollution are often treated as separate risk factors and very few studies have investigated effect modification by temperature on air pollution, and the impact of this interaction on human health in Africa. This study therefore investigated the modifying effects of temperature on the association between air pollution and Respiratory disease (RD) hospital admission in South Africa. \u0000 Methods: RD admission data (ICD10 J00-J99) were obtained from two hospitals located in Secunda, South Africa beween 1 January 2011 to 31 October 2016. NO2, SO2, PM10, PM2.5, temperature and relative humidity data were obtained from the South African Weather Services. A case-crossover epidemiological study design was applied and lag0-1 was used. Models were adjusted for public holidays and Apparent Temperature (Tapp). Tapp was classified as warm (Tapp>75th percentile), cold (Tapp<25th percentile) and normal (Tapp 25th-75th percentile). \u0000Results: Of the 14 568 RD admissions, approximately equal number of females and males were admitted. The average daily NO2, SO2, PM2.5 and PM10 levels were 12.4 μm/m3, 8.5 μm/m3, 32.3 μm/m3 and 68.6 μm/m3, respectively. Overall, a 10 μm/m3 increase in SO2 on warm days was associated with an increase in RD hospital admissions among the patients by 8.5% (95% Conf. Int: 0.4%, 17.2%) and 8.4% (95% Conf. Int: 0.3%, 17.1%) after adjustment for PM2.5 and PM10 respectively. However, increasing PM2.5 or PM10 by 10 μm/m3 was associated with an increase in RD hospital admissions when the temperature was normal after adjusting for SO2. On cold days there were significant associations between the SO2 and RD admissions among the 0-14 year age group after adjusting for either PM2.5 (6.5%; 95% Conf.Int: 0.9%, 12.4%) or PM10 (5.5%; 95% Conf.Int: 0.3%, 11.1%). \u0000Conclusions: SO2 was affected by extremes of temperature while the particulate matters had effect on RD admission during normal temperature in Secunda.","PeriodicalId":37511,"journal":{"name":"Clean Air Journal","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-10-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46976037","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 6

Message from the NACA President NACA主席致辞

Clean Air Journal Pub Date : 2021-06-17 DOI: 10.17159/caj/2021/31/1.11240

G. Mkhatshwa

引用次数: 0

Editorial: The powerful potential of low-cost sensors for air quality research in Africa 社论:低成本传感器在非洲空气质量研究中的巨大潜力

Clean Air Journal Pub Date : 2021-06-02 DOI: 10.17159/caj/2021/31/1.11274

R. Subramanian, Rebecca M. Garland

引用次数: 1

Commentary: AfriqAir’s Mission Towards Cleaner Air for Africa and a Call to Action 评论:非洲航空公司为非洲提供更清洁空气的使命和行动呼吁

Clean Air Journal Pub Date : 2021-06-02 DOI: 10.17159/caj/2021/31/1.11173

M. Giordano, P. Jaramillo

引用次数: 1