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    • AirNow Real Time Air Quality REST API

    Metadata Updated: February 10, 2026

    A REST web service API allowing the retrieval of real time air quality index data from AirNow.

    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/rest/document?id=%7B200F2DBC-25F2-4F01-A1A9-B50DC1356220%7D
    https://edg.epa.gov/metadata/catalog/search/resource/details.page?uuid=%7B200F2DBC-25F2-4F01-A1A9-B50DC1356220%7D

    Dates

    Metadata Created Date January 30, 2026
    Metadata Updated Date February 10, 2026
    Data Update Frequency R/P1D

    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 200F2DBC-25F2-4F01-A1A9-B50DC1356220
    Data First Published 2014-01-01
    Language en-US
    Data Last Modified 2014-01-01
    Public Access Level public
    Data Update Frequency R/P1D
    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
    Data Dictionary http://www.airnowtech.org/Resources/AIRNow-I_AQCSV-Final.pdf
    Harvest Object Id 19063feb-ade8-42e6-abfa-00d28abacef7
    Harvest Source Id 9c1c2b5b-7925-4ca2-a663-ca2131653db1
    Harvest Source Title EPA Non Geo Repository
    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/rest/document?id=%7B200F2DBC-25F2-4F01-A1A9-B50DC1356220%7D, https://edg.epa.gov/metadata/catalog/search/resource/details.page?uuid=%7B200F2DBC-25F2-4F01-A1A9-B50DC1356220%7D
    Source Datajson Identifier True
    Source Hash 7b39b9d0209f192897ee425388c519befeb4774bc832551b418e0fe6cf189187
    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}
    Temporal 1999-01/2014-12

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