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Air Quality, Exposure, and Environmental Justice


Our group studies air pollution, human exposure, health impacts, and environmental justice. We develop models, collect fieldwork data, and analyze large datasets to understand who is exposed to pollution, how exposures vary across communities, and what interventions reduce health burdens and disparities. We collaborate across engineering, public health, policy, and economics.

Recent projects include:

  • High spatial-resolution modeling of air pollution at national and global scales
  • Distributional analyses of air pollution exposures by race and income
  • Investigating how policy can priority equity in ambient air quality
  • Mobile monitoring in U.S. and international cities
  • High-efficiency modeling (the InMAP model) for scientific and policy applications, including in the U.S. and in India
  • Indoor/outdoor exposure in low- and middle-income countries (e.g., India)
  • Randomized control trials and double-blind crossover studies, for indoor air pollution interventions.

Our work appears in Science, PNAS, Nature Sustainability, Environmental Science & Technology, and related journals. Our research has been cited more than 25,000 times, according to Google Scholar. Marshall is among the top 10 most cited researchers in the past 5 years in air pollution and in environmental justice, according to ScholarGPS, and he is a Highly Cited Researcher according to Web of Science. Marshall previously served on the U.S. EPA Clean Air Scientific Advisory Committee (NOx panel).

I direct the Grand Challenges Impact Lab (GCIL) and I am an adjunct professor in Global Health.

Julian Marshall

Julian Marshall

  • Chaired Professor (Boeing International Professorship)
  • Department of Civil & Environmental Engineering

  • Director, UW Grand Challenges Impact Lab

  • Adjunct Professor, Global Health

  • PhD (Berkeley, 2005)
  • MS (Berkeley, 2002)
  • BSE (Princeton, 1996)

  • For Marshall's CV, click here.

  • Office Address:

  •   Wilcox 268
  •   University of Washington
  •   Seattle WA 98195-2700

  • Mailing Address:

  •   Department of Civil & Environmental
  •   Engineering
  •   University of Washington
  •   201 More Hall, Box 352700
  •   Seattle, WA 98195-2700

  • Citations in
  •  Google Scholar
  •  Clarivate / Web of Science
  •  Scopus
  •  ORCID.
  • P: 206.685.2591
  • F: 206.543.1543
  • E: jdmarsh[at]uw.edu