Allan Just
· CHAIRS-C Research Project Lead, Nazareth-Ferguson Family University Associate Professor of Public Health, Associate Professor of Environment and SocietyBrown University · Environmental Health
Active 1997–2026
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About
Allan Just is an environmental epidemiologist and Associate Professor of Epidemiology & Environment and Society at Brown University. His research focuses on children's environmental health, remote sensing and air pollution modeling with satellite data, climate and health epidemiology, and epigenomics. He investigates how improved estimates of air quality and neighborhood temperature reveal previously underestimated exposure disparities and health impacts. Utilizing NASA satellite products and spatiotemporal machine learning, he reconstructs environmental exposures to fine particulate matter (PM2.5), air temperature, and humidity in epidemiologic health studies involving cohorts and large registries across the US and Mexico. In 2022, he initiated an NIEHS Outstanding New Environmental Scientist (ONES) R01 project titled “Extreme temperature, humidity, air pollution and spontaneous preterm birth,” which is a five-year research endeavor.
Research topics
- Medicine
- Internal medicine
- Emergency medicine
- Machine Learning
- Environmental health
- Computer Science
- Artificial Intelligence
- Environmental science
- Immunology
- Biology
Selected publications
XIS-PM2.5: A daily spatiotemporal machine-learning model for PM2.5 in the contiguous United States
Environmental Research · 2025-01-27 · 15 citations
articleOpen access1st authorCorrespondingAir-pollution monitoring is sparse across most of the United States, so geostatistical models are important for reconstructing concentrations of fine particulate air pollution (PM 2.5 ) for use in health studies. We present XGBoost-IDW Synthesis (XIS), a daily high-resolution PM 2.5 machine-learning model covering the contiguous US from 2003 through 2023. XIS uses aerosol optical depth from satellites and a parsimonious set of additional predictors to make predictions at arbitrary points, captur…
Environmental Research · 2025-01-12 · 11 citations
articleOpen access1st authorCorrespondingJournal of Hepatology · 2024-12-12 · 8 citations
articleCHEST Journal · 2025-09-10 · 4 citations
articleOpen accessEnvironmental Epidemiology · 2025-06-11 · 3 citations
articleOpen accessBackground: Characterization of US sociodemographic disparities in air pollution respiratory effects has often been limited by lack of participant diversity, geography, exposure characterization, and small sample size. Methods: We included 34 sites comprising 23,234 children (born 1981-2021) from the Environmental influences on Child Health Outcomes (ECHO) Program with data on asthma diagnosis until age 10 (182,008 person-years). Predicted annual exposure to fine particulate matter (1988-2021),…
Recent grants
NIH · $747k · 2020
NIH · $163k · 2016
Frequent coauthors
- 174 shared
Andrea Baccarelli
Columbia University
- 168 shared
Itai Kloog
Ben-Gurion University of the Negev
- 138 shared
Robert O. Wright
- 121 shared
Martha María Téllez‐Rojo
Instituto Nacional de Salud Pública
- 96 shared
Elena Colicino
- 79 shared
Rosalind J. Wright
Instituto Nacional de Salud Pública
- 73 shared
Pantel Vokonas
Boston University
- 71 shared
Joel Schwartz
Harvard University
Labs
Education
- 2012
PhD, Environmental Health Sciences
Columbia University Mailman School of Public Health
Awards & honors
- NIEHS Outstanding New Environmental Scientist (ONES) R01 (20…
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