Unseen Dangers: The Impact of Trace Elements in Urban Air Quality on Seasonal Allergies and Health in Developing Countries

For those with seasonal allergies, unseen airborne particles can greatly impact their health. Tree pollen and other allergens can cause discomfort and health issues for many people. While pollen counts and allergy indices are well-documented and easily accessible, there is limited information available on cancer-causing trace elements like lead and arsenic in urban areas of developing countries.

Recently, a team of researchers led by Randall Martin at Washington University in St. Louis analyzed global ambient particulate matter (PM) to understand its components, mineral dust, and trace element oxides. These trace elements, known for their negative health effects, are mainly emitted through human activities like fossil fuel combustion and industrial processes. The study was conducted in collaboration with Jay Turner and Xuan Liu using data from the Surface Particulate Matter Network (SPARTAN), the only global monitoring network that measures PM elemental composition.

The research provided valuable insights into regions with elevated traces elements, including American, Indian, and Vietnamese regions. These areas could benefit from interventions to reduce trace element emissions from human activities. This work could pave the way for future efforts to improve air quality in developing countries. For more information about this study, visit the McKelvey Engineering website.