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Federal
US EPA Nonattainment Areas and Designations
U.S. Environmental Protection Agency —
This web service contains the following state level layers:Ozone 8-hr (1997 standard), Ozone 8-hr (2008 standard), Lead (2008 standard), SO2 1-hr (2010 standard),... -
Federal
Air quality data
U.S. Environmental Protection Agency —
AQS data is a publicly available dataset, which is part of this study. This data can be found on EPA website https://aqs.epa.gov/aqsweb/airdata/download_files.html... -
Federal
Climate History Extensions
U.S. Environmental Protection Agency —
This feature class contains yearly (2000-2019) natural hazard exposure estimates (percent area) at the county-level for the entire US (including AK, HI, and PR).... -
Federal
StateIO v0.4.0 Two-Region Economic Input-Output Models for 50 U.S. States: 2012-2023
U.S. Environmental Protection Agency —
These data represent an update to the dataset, "State IO Two-Region Economic Input-Output Models for 50 U.S. States 2012-2017" based on the methods described by Li et... -
Federal
EPA Dynamically Downscaled Ensemble (EDDE) Version 2
U.S. Environmental Protection Agency —
The EPA Dynamically Downscaled Ensemble (EDDE) Version 2 is a collection of physics-based projections of future conditions, as well as historical simulations,... -
Federal
U.S. Level III and IV Ecoregions (U.S. EPA)
U.S. Environmental Protection Agency —
This map service displays Level III and Level IV Ecoregions of the United States and was created from ecoregion data obtained from the U.S. Environmental Protection... -
Federal
The Chemical and Products Database v4.0, an updated resource supporting chemical exposure evaluations
U.S. Environmental Protection Agency —
Links to data for "The Chemical and Products Database v4.0, an updated resource supporting chemical exposure evaluations". This dataset is associated with the... -
Federal
Improved Wetland Soil Organic Carbon Stocks of the Conterminous U.S. Through Data Harmonization
U.S. Environmental Protection Agency —
Public data used for data harmonization. This dataset is associated with the following publication: Uhran, B., L. Windham-Myers, N. Bliss, A. Nahlik, E. Sundquist,... -
Federal
Honda_Wambaugh_Using the concordance of in vitro and in vivo data to evaluate extrapolation assumptions
U.S. Environmental Protection Agency —
All relevant data are within the manuscript, its Supporting Information files, and the httk R software package v1.9.2. This dataset is associated with the following... -
Federal
US EPA Nonattainment Areas and Designations-SO2 (2010 NAAQS)
U.S. Environmental Protection Agency —
This web service contains the following layer: SO2 2010 NAAQS State Level. Full FGDC metadata records for each layer may be found by clicking the layer name at the... -
Federal
Cleanups In My Community (CIMC) - Incidents of National Significance, National Layer
U.S. Environmental Protection Agency —
This data layer provides access to Incidents of National Significance as part of the CIMC web service. Incidents of National Significance include all Presidentially-... -
Federal
Transit Route, San Diego CA, 2016, GTFS
U.S. Environmental Protection Agency —
Public transit routes in San Diego County managed by the San Diego County Metropolitan Transit System (MTS) and the North County Transit District (NCTD). Bus,... -
Federal
Coupling of organic and inorganic systems and the effect on gas-particle partitioning in the southeastern United States
U.S. Environmental Protection Agency —
Several models were used to describe the partitioning of ammonia, water, and organic compounds between the gas and particle phases for conditions in the southeastern... -
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
US EPA Nonattainment Areas and Designations-Annual PM2.5 (2012 NAAQS)
U.S. Environmental Protection Agency —
This web service contains the following layer: PM2.5 Annual 2012 NAAQS State Level. Full FGDC metadata records for each layer may be found by clicking the layer name... -
Federal
Fire regimes of the conterminous United States
U.S. Environmental Protection Agency —
Fire regime information on 256 vegetation communities in the conterminous United States. This information is taken from the US Forest Service's LANDFIRE Rapid... -
Federal
Metadata: Data sets, data type, and data source for all pathway surrogates
U.S. Environmental Protection Agency —
Data sets, data type, and data source for all pathway surrogates used for determining the “index of invasion pressure”. This dataset is associated with the following... -
Federal
US EPA Nonattainment Areas and Designations-PM10 (1987 NAAQS)
U.S. Environmental Protection Agency —
This web service contains the following layer: PM10 Nonattainment Areas (1987 NAAQS). Full FGDC metadata records for each layer may be found by clicking the layer... -
Federal
EPA ORD 2019 benthic survey of the Three Bays estuary, Barnstable, MA
U.S. Environmental Protection Agency —
Includes in-situ water quality measurements and sediment grab samples analyzed for grain size distribution, total organic carbon, and benthic macroinvertebrates...