Skip to main content
U.S. flag

An official website of the United States government

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Skip to content
298 datasets found
  • Federal

    Complete 2010 Greenhouse Gas Data

    U.S. Environmental Protection Agency —

    These files contain the publicly available data from the GHG Reporting Program for 2010. This data includes non-confidential data reported by facilities that directly...
  • Federal

    KMZ files of EPA Ambient Monitors

    U.S. Environmental Protection Agency —

    KMZ files with the location of all the EPA ambient monitors with the ability to download data from within the description box.
  • Federal

    R4FRS_RCRAINFO

    U.S. Environmental Protection Agency —

    To improve public health and the environment, the United States Environmental Protection Agency (USEPA) collects information about facilities, sites, or places...
  • Federal

    AirData AQS REST API

    U.S. Environmental Protection Agency —

    A REST web service API allowing the retrieval of historical air quality data from EPA.
  • Federal

    Aggregated Computational Toxicology Online Resource

    U.S. Environmental Protection Agency —

    Aggregated Computational Toxicology Online Resource (AcTOR) is EPA's online aggregator of all the public sources of chemical toxicity data. ACToR aggregates data from...
  • Federal

    Air Quality System (AQS) ambient observations: 2008 ozone

    U.S. Environmental Protection Agency —

    Ambient ozone concentrations for 2008 from the national ambient air quality monitoring networks stored in the Air Quality System (AQS).
  • Federal

    Air Emissions Where You Live KMZ File

    U.S. Environmental Protection Agency —

    A KMZ file with the location of all major facilities that emit pollutants into the atmopshere.
  • Federal

    Greenhouse Gas Data Publication Tool

    U.S. Environmental Protection Agency —

    This tool to gives you access to greenhouse gas data reported to EPA by large facilities and suppliers in the United States through EPA's Greenhouse Gas Reporting...
  • Federal

    KMZ file of EPA Ambient Ozone Monitors

    U.S. Environmental Protection Agency —

    A KMZ file with the location of all the EPA ambient ozone monitors with the ability to download data from within the description box.
  • 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

    Smartway Transport Partnership Data

    U.S. Environmental Protection Agency —

    This asset includes all data collected by EPA in support of this program to address greenhouse gas emissions, fuel consumption, and criteria pollutants (NOx and PM)...
  • Federal

    Emissions Modeling Clearinghouse

    U.S. Environmental Protection Agency —

    The Emissions Modeling Clearinghouse (EMCH) supports and promotes emissions modeling activities both internal and external to the EPA. Through this site, the EPA...
  • Federal

    Consumer Product Category Database

    U.S. Environmental Protection Agency —

    The Chemical and Product Categories database (CPCat) catalogs the use of over 40,000 chemicals and their presence in different consumer products. The chemical use...
  • Federal

    Nonattainment Area - Carbon Monoxide (CO - 1971 Standard)

    Department of Transportation —

    The Nonattainment Area - Carbon Monoxide (CO-1971) dataset was updated on September 30, 2025 by the Environmental Protection Agency (EPA) and is part of the U.S....
  • Federal

    Distributed Structure Searchable Toxicity

    U.S. Environmental Protection Agency —

    The Distributed Structure Searchable Toxicity (DSSTox) online resource provides high quality chemical structures and annotations in association with toxicity data. It...
  • Federal

    R4FRS CERCLIS

    U.S. Environmental Protection Agency —

    To improve public health and the environment, the United States Environmental Protection Agency (USEPA) collects information about facilities, sites, or places...
  • Federal

    Summary 2010 Greenhouse Gas Data

    U.S. Environmental Protection Agency —

    This file contains a summary of the publicly available data from the GHG Reporting Program for 2010. This data includes non-confidential data reported by facilities...
  • City

    Local Law 84 Monthly Data (Calendar Year)

    City of New York —

    Monthly whole building electricity and natural gas consumption data in privately owned buildings over 25,000 ft2 and in City-owned buildings over 10,000 ft2. To...
  • City

    Energy and Water Data Disclosure for Local Law 84 2021 (Data for Calendar Year 2020)

    City of New York —

    Data and metrics on water and energy consumption in privately owned buildings over 25,000 ft2 and in City-owned buildings over 10,000 ft2.
  • Federal

    EV-GHG Mobile Source

    U.S. Environmental Protection Agency —

    The EV-GHG Mobile Source Data asset contains measured mobile source GHG emissions summary compliance information on light-duty vehicles, by model, for certification...
298 datasets found

You can also access this registry using the API (see API Docs).

Didn't find what you're looking for? Suggest a dataset here.