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Federal
Our Nation's Air - annual air trends report, USA, EPA OAR OAQPS
U.S. Environmental Protection Agency —
Annual air trends report in the form of an interactive web application. The report features a suite of visualization tools that allow the user to: -Learn about air... -
Exposure Activities Event Setting
District of Columbia —
Retired on March 2, 2022. Data and metadata are provided as-is archive.The “event setting” demonstrates cumulative data since July 31, 2020 of positive cases... -
Federal
Human Exposure Database System (HEDS)
U.S. Environmental Protection Agency —
The Human Exposure Database System (HEDS) provides public access to data sets, documents, and metadata from EPA on human exposure. It is primarily intended for... -
Federal
EnviroAtlas - Probabilistic Estimates of the Distribution of Near-surface (within 1m) Permafrost in Alaska
U.S. Environmental Protection Agency —
This dataset was created by USGS and is being hosted by US EPA to support research and online mapping activities related to EnviroAtlas. EnviroAtlas... -
Federal
Database of pharmacokinetic time-series data and parameters for 144 environmental chemicals
U.S. Environmental Protection Agency —
This is a new, open, and transparent database of toxicokinetic data supporting EPA decision making. The database has already become the basis of research efforts... -
Federal
USEPA Environmental Quality Index (EQI) - Air, Water, Land, Built, and Sociodemographic Domains Transformed Variables Dataset as Input for the 2000-2005 USEPA EQI, by County for the United States
U.S. Environmental Protection Agency —
The US Environmental Protection Agency's (EPA) National Health and Environmental Effects Research Laboratory (NHEERL) in the Environmental Public Health Division... -
Federal
Superfund/IGD: EF_NPL
U.S. Environmental Protection Agency —
EF_NPL is a subset of facilities from FRS_PROGRAM_FACILITY and associated best-available geospatial coordinates. Facility Registry Service (FRS) data are refreshed... -
Federal
EF ICIS_AIR
U.S. Environmental Protection Agency —
EF_ICIS_AIR is a subset of facilities from FRS_PROGRAM_FACILITY and associated best-available geospatial coordinates. Facility Registry Service (FRS) data are... -
Federal
USEPA Environmental Quality Index (EQI) and Associated Domain Indices by County for the United States 2000-2005 Original
U.S. Environmental Protection Agency —
The US Environmental Protection Agency's (EPA) National Health and Environmental Effects Research Laboratory (NHEERL) in the Environmental Public Health Division... -
Exposure Activities All Activity Trends
District of Columbia —
Retired on March 2, 2022. Data and metadata are provided as-is archive.The “All Activity Trend” shows the number of positive cases that were interviewed (bar graph)... -
Federal
Toxic Releases/IGD: EF_TRI
U.S. Environmental Protection Agency —
EF_TRI is a subset of facilities from FRS_PROGRAM_FACILITY and associated best-available geospatial coordinates. Facility Registry Service (FRS) data are refreshed... -
Federal
Air Emissions/IGD: EF_ICIS_AIR
U.S. Environmental Protection Agency —
EF_ICIS_AIR is a subset of facilities from FRS_PROGRAM_FACILITY and associated best-available geospatial coordinates. Facility Registry Service (FRS) data are... -
Federal
Trace Atmospheric Gas Analyzer (TAGA) Volatile Organic Compound (VOC) Data for BP Spill/Deepwater Horizon - August 2010
U.S. Environmental Protection Agency —
The Trace Atmospheric Gas Analyzer (TAGA) buses are self-contained mobile laboratories that conduct instant-result monitoring of air quality at particular locations.... -
Federal
The CompTox Chemistry Dashboard: a community data resource for environmental chemistry
U.S. Environmental Protection Agency —
The contents of the chemistry database, presently containing ~ 760,000 substances, are available as public domain data for download. The chemistry content... -
Federal
BETA - Hazard Exposure: National Highway System Bridges
Department of Transportation —
The BETA - Hazard Exposure: National Highway System Bridges dataset was updated on October 16, 2025 from the Bureau of Transportation Statistics (BTS) and is part of... -
Federal
Low Marsh at St. Jones, DE, Lower Delaware Bay, Intermediate Sea Level Rise Scenario, “Protect Developed Dry Land” model protection scenario, EPA ORD NCEA
U.S. Environmental Protection Agency —
This raster GIS dataset contains 5-meter-resolution cells depicting the areas of LOW marsh gain (value=1), lost (value=-1) and remaining (no change; value=0). Low... -
Federal
EnviroAtlas - Particulate Matter Concentration (PM2.5) - Days over 35 micrograms per cubic meter in 2017 for the Conterminous United States
U.S. Environmental Protection Agency —
This raster GIS dataset includes the number of days in 2017 that the concentration of particulate matter with a diameter of 2.5 micrometers or smaller (PM2.5)... -
Federal
Drycleaner Database - Region 7
U.S. Environmental Protection Agency —
THIS DATA ASSET NO LONGER ACTIVE: This is metadata documentation for the Region 7 Drycleaner Database (R7DryClnDB) which tracks all Region7 drycleaners who notify... -
Federal
Dataset for Identification of Anatoxin‑a and Related Metabolites in Exposed Mice Samples with a High-Resolution Mass Spectrometry Discovery Workflow
U.S. Environmental Protection Agency —
This is the data presented in https://pubs.acs.org/doi/10.1021/acs.chemrestox.5c00236, Identification of Anatoxin-a and Related Metabolites in Exposed Mice Samples...