Exposure Methods

This report presents a study led by H. Christopher Frey of North Carolina State University in Raleigh. The investigators measured six air pollutants (nitrogen oxides, ultrafine particles, black carbon, fine particles, nitrogen dioxide, and ozone) near a freeway and in an urban area.

In this issue of Update, read about a major HEI study in Europe that found evidence of health effects at low levels of air pollution; a new Board Chair; our first-ever Director of Science Communications; steps HEI is taking toward diversity, equity, and inclusion; the launch of new studies on wildfires and the effectiveness of air quality policies, and more.