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    • This is a Non-Federal dataset covered by different Terms of Use than Data.gov.

    Air Quality Realtime

    Metadata Updated: April 1, 2026

    Dataset is comprised of hourly air quality data points captured from the District’s air monitoring network sites. The dataset is quality controlled by a process of field data verification and validation. The District of Columbia is providing this data for a rolling 1-year period. For complete real-time data, visit the EPA AirNow system at docs.airnowapi.org

    Access & Use Information

    Public: This dataset is intended for public access and use. Non-Federal: This dataset is covered by different Terms of Use than Data.gov. License: Creative Commons Attribution

    Downloads & Resources

    Dates

    Metadata Created Date April 30, 2024
    Metadata Updated Date April 1, 2026

    Metadata Source

    Harvested from DC data

    Other Data Resources

    Additional Metadata

    Resource Type Dataset
    Metadata Created Date April 30, 2024
    Metadata Updated Date April 1, 2026
    Publisher Department of Energy and Environment
    Maintainer
    Identifier https://www.arcgis.com/home/item.html?id=20c07bd1506249d4877ee45acfa73b71&sublayer=76
    Data First Published 2021-12-15T16:11:16.000Z
    Data Last Modified 2026-04-01T02:15:08.000Z
    Category geospatial
    Public Access Level public
    Metadata Context https://project-open-data.cio.gov/v1.1/schema/catalog.jsonld
    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 391a12c0-5700-4d6c-bdb4-016f9b766740
    Harvest Source Id b05f955a-65d6-4288-9558-15a5ebc74e36
    Harvest Source Title DC data
    Homepage URL https://opendata.dc.gov/datasets/DCGIS::air-quality-realtime
    License https://creativecommons.org/licenses/by/4.0
    Metadata Type geospatial
    Old Spatial -77.0185,38.8148,-76.9707,38.9689
    Source Datajson Identifier True
    Source Hash d569118307b47fd8d596082f4c9e1a955eaf5ccf1760545b90c18a66819012d5
    Source Schema Version 1.1
    Spatial {"type": "Polygon", "coordinates": -77.0185, 38.8148, -77.0185, 38.9689, -76.9707, 38.9689, -76.9707, 38.8148, -77.0185, 38.8148}

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