Research Reports

HEI’s mission is to provide credible science to support environmental regulations and other policy decisions. The results of each HEI-funded project undergo peer-review by outside scientists and the Health Review Committee. The HEI Research Reports contain the Investigator’s Report and the Review Committee’s evaluation of the study, summarized in a Commentary or short Critique.

ISSN 1041-5505 (print) ISSN 2688-6855 (online)

Air Pollution in Relation to COVID-19 Morbidity and Mortality: A Large Population-Based Cohort Study in Catalonia, Spain (COVAIR)

Research Report 220

Cathryn Tonne

Otavio Ranzani

Anna Alari

Joan Ballester

Xavier Basagaña

Carlos Chaccour

et al.

2024

Topics:

This study evaluated associations between exposure to outdoor air pollution and risk of hospital admissions, disease severity, and death related to coronavirus disease among 4.6 million adults in Catalonia, Spain, in 2020.

Birth Cohort Studies of Long-Term Exposure to Ambient Air Pollution in Early Life and Development of Asthma in Children and Adolescents from Denmark

Research Report 219

Marie Pedersen

Shuo Liu

Zorana J Andersen

Anne-Marie Nybo Andersen

Jørgen Brandt

Esben Budtz-Jørgensen

et al.

2024

Topics:

Air Pollution

Nitrogen Oxides

Multipollutant Mixtures

This report presents a study led by Marie Pedersen of the University of Copenhagen, Denmark. Pedersen and colleagues examined children’s asthma in four Danish cohorts and focused on exposure to an array of air pollutants, including fine particulate matter, ozone, sulfur dioxide, nitrogen dioxide, and combinations of those pollutants.