Unseen Dangers: How Untraceable Elements in Air Pollution Threaten Health in Developing Countries

In developing countries, the presence of unseen airborne particles can have a significant impact on a person’s health, particularly for those with seasonal allergies. 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, published in ES&T Air on March 10, provided valuable insights into regions with elevated traces elements. The American, Indian, and Vietnamese regions were identified as areas of concern that 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 research and how it can help improve air quality in developing countries, visit the McKelvey Engineering website.