Public Perceptions on Exposure to Traffic-Related Air Pollution Along Nairobi Expressway Corridor

Traffic-related air pollution is a major global concern, causing millions of deaths annually and contributing to a range of chronic health conditions. This study explored public perceptions of traffic-related air pollution and health risks along the Nairobi Expressway through a survey and multinomial logistic regression analysis. The findings indicated that higher income, education, and longer exposure correlate with greater awareness of vehicle emissions and health impacts. Many respondents reported health issues due to high pollutant levels from traffic emissions. Age, gender, and marital status did not significantly influence perceptions of traffic-related air pollution. The study also highlights the resilience of communities in adopting behaviors to mitigate pollution impacts. There is general support for initiatives aimed at reducing air pollution. The research emphasizes the need for collaborative efforts from policymakers and the public to address traffic-related air pollution. This study offers valuable insights for policymakers, transport engineers, and stakeholders to develop strategies for reducing traffic-related air pollution and promoting sustainable transport, aligning with the United Nations Sustainable Development Goals.