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Federal
Historical Ambient Air Quality Data Inventory
U.S. Environmental Protection Agency —
The Historical Ambient Air Quality Data Inventory contains measured and estimated data on ambient air pollution for use in assessing air quality, assisting in... -
Federal
Climate Change Impacts on Air Quality and Human Health
U.S. Environmental Protection Agency —
This dataset contains modeled temperature, ozone, and PM2.5 data for the United States over the 21st century, using two global climate model scenarios and two... -
Federal
Data for "Updated in-cloud secondary aerosol production in the Northern Hemisphere predicted by the Community Multiscale Air Quality modeling system"
U.S. Environmental Protection Agency —
Data and CMAQ code associated with manuscript, "Updated in-cloud secondary aerosol production in the Northern Hemisphere predicted by the Community Multiscale Air... -
Federal
CMAQv5.5 CRACMM2 Predictions for Select Locations during 2023 in the U.S.: Northeast U.S. (v2.0)
U.S. Environmental Protection Agency —
2023 CMAQ Simulation output for select sites in the Northeast US - CMAQ simulations performed by Havala Pye ORD/CEMM/AESMD - simulation labels: cmaq55plus (base) and... -
Federal
Temperature, ozone, and PM2.5 data for "Associations Between Simulated Future Changes in Climate, Air Quality, and Human Health" by Fann et al., 2021.
U.S. Environmental Protection Agency —
This dataset contains modeled temperature, ozone, and PM2.5 data for the United States over the 21st century, using two global climate model scenarios and two... -
Federal
CMAQv5.5 CRACMM2 Predictions for Select Locations during 2023 in the U.S.: Louisiana (v3)
U.S. Environmental Protection Agency —
2023 CMAQ Simulation output for select sites in Louisiana - Description: CMAQv5.5+ public version downloaded 2/13/2025. (SHA:... -
Federal
Ambient Air Quality Data Inventory
U.S. Environmental Protection Agency —
The Office of Air and Radiation's (OAR) Ambient Air Quality Data (Current) contains ambient air pollution data collected by EPA, other federal agencies, as well as... -
Federal
Community Multi-scale Air Quality (CMAQ) Model Outputs
U.S. Environmental Protection Agency —
The CMAQ Model Outputs data asset includes current and projected future levels of ambient concentrations and deposition to support regulatory impact analyses. -
Federal
Data for the Community Regional Atmospheric Chemistry Multiphase Mechanism (CRACMM) version 1.0
U.S. Environmental Protection Agency —
Supporting data for CRACMMv1, including the SPECIATE database mapped to CRACMM, input to the Speciation Tool, profile files output from Speciation Tool for input to... -
Federal
NADP Total Deposition Data
U.S. Environmental Protection Agency —
The data are grids of total atmospheric deposition created through a measurement-model fusion process that uses data from the Community Multiscale Air Quality (CMAQ)... -
Federal
Data for Modeled Spatiotemporal Distributions of Airborne Allergenic Pollen CONUS
U.S. Environmental Protection Agency —
This dataset consists of a file describing the U.S. EPA data used in Ren et al. (2022), Modeling Past and Future Spatiotemporal Distributions of Airborne Allergenic... -
Federal
Attributes for NHDPlus Version 2.1 Flowlines for the Conterminous United States: Wet, Dry, and Total Deposition of Select Constituents from Community Multiscale Air Quality modeling system (CMAQ) for 2002 - 2012
Department of the Interior —
This metadata record describes 19 annual Congestion Mitigation and Air Quality Improvement (CMAQ) Program variables ( kilograms per hectare) for each year between... -
Federal
The potential effects of climate change on air quality across the conterminous U.S. at 2030 under three Representative Concentration Pathways
U.S. Environmental Protection Agency —
This dataset is the underlying data described in Nolte et al., "The potential effects of climate change on air quality across the conterminous U.S. at 2030 under... -
Federal
HTAP_v2.2: a mosaic of regional and global emission gridmaps for 2008 and 2010 to study hemispheric transport of air pollution.
U.S. Environmental Protection Agency —
This dataset provides the EPA portion of a compilation of different regional gridded inventories, including data from Environment Canada for Canada, the European... -
Federal
CMAQ model data provided by EPA/ORD researchers for Makar et al. (2025) paper. Model data at monitoring stations, gridded annual deposition fields, and gridded monthly median diurnal deposition diagnostics.
U.S. Environmental Protection Agency —
This dataset contains the CMAQ model data provided by EPA/ORD researchers for the Makar et al. (2025) paper. It includes CMAQ model data extracted at monitoring... -
Federal
2002-2017 Anthropogenic Emissions Data for AQ Model US
U.S. Environmental Protection Agency —
The US EPA developed a set of modeled meteorology, emissions, air quality and pollutant deposition spanning the years 2002 through 2019. Modeled datasets cover the... -
Federal
Data for AMORE-Isoprene v1.0: A new reduced mechanism for gas-phase isoprene oxidation
U.S. Environmental Protection Agency —
Data zip file contains the exact CMAQ code used by Wiser et al. in the development of CRACMM1AMORE. In addition, CMAQ predictions and AQS observations of formaldehyde... -
Federal
Outdoor air quality impacts data for USGCRP Climate and Health Assessment
U.S. Environmental Protection Agency —
Gridded values of daily maximum temperature and ozone levels simulated over the continental U.S. using year-2000 and year-2030 climatic conditions as represented by... -
Federal
Data for EPA’s Air QUAlity TimE Series Project (EQUATES) Version 1
U.S. Environmental Protection Agency —
The US EPA developed a set of modeled meteorology, emissions, air quality and pollutant deposition spanning the years 2002 through 2019. Modeled datasets cover the... -
Federal
CMAQv5.5 CRACMM2 Predictions for Select Locations during 2023 in the U.S.: Atlanta (v1)
U.S. Environmental Protection Agency —
2023 CMAQ Simulation output for South DeKalb - CMAQ simulations performed by Havala Pye ORD/CEMM/AESMD - simulation labels: cmaq55plus (base) and cmaq55plus_nofire...