This preprint investigates the health and economic impacts of transboundary transport of fine particulate matter (PM₂.₅) between neighbouring metropolitan areas in Mexico. The study examines how emissions from the Mexico City Metropolitan Area contribute to air pollution exposure in surrounding regions, specifically the Toluca Valley and Cuernavaca metropolitan areas. Using the Hybrid Single Parti...

The U.S. Environmental Protection Agency undertook a case study in the Detroit metropolitan area to test the viability of a new multipollutant risk-based (MP/RB) approach to air quality management, informed by spatially resolved air quality, population, and baseline health data. The case study demonstrated that the MP/RB approach approximately doubled the human health benefits achieved by the trad...

Air pollution epidemiology plays an integral role in both identifying the hazards of air pollution as well as supplying the risk coefficients that are used in quantitative risk assessments. Evidence from both epidemiology and risk assessments has historically supported critical environmental policy decisions. The extent to which risk assessors can properly specify a quantitative risk assessment an...

Economic and health benefits assessments of air quality changes often quantify and report changes in deaths at a given point in time. The typical approach uses a method that attributes air pollution-related health impacts to a single year air quality change (or “pulse”). The perspective on benefits from these static pulse analyses can be enhanced by conducting a dynamic population assessment using...

IPUMS International is a global data platform that provides harmonized census and survey microdata from more than 100 countries, enabling researchers and policymakers to conduct cross-national and longitudinal analyses of population characteristics. The platform integrates anonymized individual- and household-level census data collected by national statistical offices, standardizing variables and ...

WorldPop is an open-access platform providing high-resolution spatial demographic data, population datasets, and geospatial tools to support evidence-based decision-making in public health, disaster risk reduction, environmental management, urban planning, and sustainable development. The platform produces gridded population estimates, population density maps, age and sex distributions, births, pr...

In response to the need to further explore and understand the technical needs and challenges presented by implementing a multi–pollutant, risk–based approach to air quality management, a case study was performed for the urban area of Detroit. As part of this case study, two contrasting air quality control strategies were assessed and compared. One strategy mimicked the “status quo”, where controls...

This peer-reviewed review article examines how air quality modelling can strengthen public health research, exposure assessment, and air quality management. It describes the complementary roles of photochemical, dispersion, and hybrid air quality models in estimating population exposure to pollutants such as fine particulate matter (PM₂.₅), ozone (O₃), hazardous air pollutants, and wildfire smoke....

The NASA Earthdata Air Quality portal provides access to satellite observations, airborne measurements, ground-based data, models, and analytical tools that support air quality monitoring, research, and decision-making. The portal brings together a wide range of Earth observation datasets on aerosols, trace gases (including nitrogen dioxide, sulfur dioxide, carbon monoxide, and ozone), meteorologi...

This research article examines how the spatial resolution of air quality models influences estimates of the health benefits associated with reductions in air pollution. Using the Community Multiscale Air Quality (CAMx) model and the U.S. EPA’s BenMAP health benefits assessment tool, the authors compare health impact estimates generated at 36 km, 12 km, and 4 km resolutions across nine regions in t...