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California Ozone (O3) Attainment Designations (1997 8-hour standard)
Geographic data showing regions in California by their ozone attainment designations in 1997. The data are stored in two formats: as a zip file that stores ArcGIS-readable data... -
Air Quality Trends by City: 2000-2015
Air quality status and trends for counties and cities, defined as CBSAs (Core-Based Statistical AreasEXIT), with monitoring data. Table is based on data from EPA's AQS (Air... -
Air Quality Data Collected at Outdoor Monitors Across the US
Preserved copy of site that allows for various ways of downloading, generating, and visualizing air quality data. Internet Archive URL:... -
2011 NATA (National Air Toxics Assessment): Assessment Results
This page provides the inventory inputs, ambient and exposure concentrations, and results for the 2011 National-scale Air Toxics Assessments. The starting point for the 2011... -
Air Emissions Inventories
The National Emissions Inventory (NEI) is a detailed estimate of air emissions that include criteria pollutants and hazardous air pollutants. It is an aggregate of data from... -
National Emissions Inventory (NEI) | Air Emissions Inventories | US EPA
The National Emissions Inventory (NEI) is a comprehensive and detailed estimate of air emissions of criteria pollutants, criteria precursors, and hazardous air pollutants from... -
Envirofacts
Envirofacts, a single point of access to select U.S. EPA environmental data. This website provides access to several EPA databases to provide you with information about... -
Computational Toxicology Online Resources
This data is downloaded from the EPA’s Aggregated Computational Toxicology Online Resource (ACToR), which is the data and web applications warehouse for EPA’s computational... -
Geospatial Data Download Service
To improve public health and the environment, the EPA collects information about facilities or sites subject to environmental regulation. The EPA Geospatial Data Access Project... -
EPA Data Download
The EPA GeoPortal is a web portal that allows users to view, find and use EPA geospatial resources including reports, datasets and GIS web services. Please use the following... -
ECHO Facility Search Results
Use EPA's Enforcement and Compliance History Online website to search for facilities in your community to assess their compliance with environmental regulations. You can also... -
Toxics Release Inventory (TRI) Program Share
Toxics Release Inventory (TRI) data collected by the EPA from 1987 to 2015. Collectively, these files contain all the data submitted on the TRI Reporting Form R or Form A... -
EPA Superfund Data and Reports
Data migrated from the legacy CERCLIS (Comprehensive Environmental Response, Compensation, and Liability Information System) to SEMS (Superfund Enterprise Management System).... -
EPA Data Commons
Directory of datasets from EPA -
Standards of Performance for Greenhouse Gas Emissions from Existing Sources: ...
On June 25, 2013, President Obama issued a Presidential Memorandum directing the Environmental Protection Agency (EPA) to work expeditiously to complete greenhouse gas (GHG)...
