Long-term exposure to air pollution is associated with a higher risk of developing COVID-19 among those people who get infected, shows a study led by the Barcelona Institute of Global Health (ISGlobal), a center supported by the “la Caixa” Foundation, and co-led by the GCAT| Genomes for Life-Germans Trias i Pujol Research Institute (IGTP), Badalona. The study, published in Environment Health Perspectives, provides further evidence on the health benefits of reducing air pollution.