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Monitoring of Atmospheric Pollutant Concentrations in the City of Dakar, Senegal

Open Journal of Air Pollution 2021年第1期10卷 18-30页

作者： Baïdy Sow Bertrand Tchanche Ibrahima Fall Saliou Souaré aminata Mbow-diokhané Department of Physics Alioune Diop University Bambey Senegal Centre de Gestion de la Qualité de l’Air (CGQA) Dakar Senegal

The lack of data on air quality monitoring and neglected and overlooked pollutant emissions in the transportation and industrial sectors are motives for the government of Senegal to set up, in 2009, an air quality management center, the CGQA (Centre de Gestion de la Qualité de l’Air). Air quality monitoring at CGQA deals with mainly six pollutants: carbon monoxide (CO), nitrogen oxides (NOx) (with nitrogen dioxide (NO2) and nitrogen monoxide (NO)), sulfur dioxide (SO2), ground-level ozone (O3), Benzene-Toluene-Xylenes (BTX), and particulate matters (PM) with diameters less than 10 μm (PM10) and 2.5 μm (PM2.5). The concentration levels of gaseous pollutants (CO, O3, NO2 and SO2) in the city generally remain below the limit value set by the WHO (World Health Organization). However, particulate matters (PM10 and PM

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Near-Road Exposure to Air Pollution and Allergic Rhinitis: A Cross-Sectional Study among Vendors in Dakar, Senegal

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Occupational Diseases and Environmental Medicine 2017年第4期5卷 106-120页

作者： Fatou K. Sylla Adama Faye Mamadou Fall Masse Lo aminata diokhané Nafissatou O. Touré Anta TAL-DIA Institute of Health and Development—Public Health and Preventive Medecine Cheikh Anta Diop University (UCAD) Dakar Senegal Laboratory of Toxicology and Hydrology Cheikh Anta Diop University (UCAD) Dakar Senegal Institute of Leadership and Development (ILD) Dakar Senegal Air Quality Management Center of Dakar (CGQA) Dakar Senegal Pneumology Clinic CHU-Fann Dakar Senegal

Introduction: The work environment is one of the main causes of allergic rhinitis. The majority of vendors in Dakar work in places close to roads that are very frequented by vehicles, exposing them to increased air pollution. The study determined the prevalence of allergic rhinitis and its associated risk factors in these vendors. Methods: This was a cross-sectional survey based on a structured questionnaire, conducted among vendors in the neighborhoods of HLM, Medina and Petersen in Dakar, Senegal. A total of 200 vendors were interviewed. Symptoms of allergic rhinitis were defined as the simultaneous presence of rhinorrhea, nasal congestion and sneezing in the absence of respiratory infection. A logistic regression analysis was performed to determine the relationship between socio-demographic characteristics, occupational factors, and allergic rhinitis. Results: Results of the study show a prevalence of 43% of allergic rhinitis among vendors. Multivariate analysis showed that the independent factors associated with allergic rhinitis in these vendors were age [OR: 3.28 (1.02 - 10.51)], working area [OR: 8.31 (2.39 - 28.95)], exposure to multiple sources of pollution [OR: 4.08 (1.43 - 11.63)], and recurrent cold [OR: 4.39 (1.15 - 16.85)]. Conclusion: The prevalence of allergic rhinitis was high among vendors in Dakar. Our data suggest that exposure to air pollution at the workplace in vendors could lead to allergic rhinitis.

关键词： Air Pollution Traffic Vendors Allergic Rhinitis Senegal

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