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    • AirData AQS REST API

    Metadata Updated: February 10, 2026

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

    Access & Use Information

    Public: This dataset is intended for public access and use. License: See this page for license information.

    Downloads & Resources

    References

    https://edg.epa.gov/metadata/catalog/search/resource/details.page?uuid=%7B9A27C77A-495A-4E82-B4B9-BDA6F63F9E59%7D
    https://edg.epa.gov/metadata/rest/document?id=%7B9A27C77A-495A-4E82-B4B9-BDA6F63F9E59%7D

    Dates

    Metadata Created Date January 30, 2026
    Metadata Updated Date February 10, 2026
    Data Update Frequency irregular

    Metadata Source

    Harvested from EPA Non Geo Repository

    Other Data Resources

    Additional Metadata

    Resource Type Dataset
    Metadata Created Date January 30, 2026
    Metadata Updated Date February 10, 2026
    Publisher U.S. EPA Office of Air and Radiation (OAR) - Office of Air Quality Planning and Standards (OAQPS)
    Maintainer
    Identifier 9A27C77A-495A-4E82-B4B9-BDA6F63F9E59
    Data First Published 2014-01-01
    Language en-US
    Data Last Modified 2014-01-01
    Public Access Level public
    Data Update Frequency irregular
    Bureau Code 020:00
    Metadata Context https://project-open-data.cio.gov/v1.1/schema/catalog.jsonld
    Metadata Catalog ID https://edg.epa.gov/data/nongeo_data.json
    Schema Version https://project-open-data.cio.gov/v1.1/schema
    Catalog Describedby https://project-open-data.cio.gov/v1.1/schema/catalog.json
    Harvest Object Id 63ebe2af-6149-46f0-953b-f8be0d8ff75e
    Harvest Source Id 9c1c2b5b-7925-4ca2-a663-ca2131653db1
    Harvest Source Title EPA Non Geo Repository
    Homepage URL https://www.epa.gov/outdoor-air-quality-data#DMCSV_Format
    License https://edg.epa.gov/EPA_Data_License.htm
    Old Spatial -180.0,18.0,-66.0,72.0
    Program Code 020:094
    Related Documents https://edg.epa.gov/metadata/catalog/search/resource/details.page?uuid=%7B9A27C77A-495A-4E82-B4B9-BDA6F63F9E59%7D, https://edg.epa.gov/metadata/rest/document?id=%7B9A27C77A-495A-4E82-B4B9-BDA6F63F9E59%7D
    Source Datajson Identifier True
    Source Hash e481c5d6d1c31e510a2829dd2e72a585c61df51d20009ccd2ed162a5276206e1
    Source Schema Version 1.1
    Spatial {"type": "Polygon", "coordinates": -180.0, 18.0, -180.0, 72.0, -66.0, 72.0, -66.0, 18.0, -180.0, 18.0}

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