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

    Air Quality Purple Air Sensors

    Metadata Updated: March 18, 2026

    This dataset is made up of hourly measurements of PM2.5 and PM10, and meteorological measurements, collected through DOEE’s Purple Air network in the District of Columbia. The meteorological data collected are the sensor’s internal temperature and relative humidity readings. Measurements are collected to gain a better understanding of hyper-local air quality data. This data is collected through 24-hour continuous measurements.

    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 October 30, 2025
    Metadata Updated Date March 18, 2026

    Metadata Source

    Harvested from DC data

    Other Data Resources

    Additional Metadata

    Resource Type Dataset
    Metadata Created Date October 30, 2025
    Metadata Updated Date March 18, 2026
    Publisher Department of Energy and Environment
    Maintainer
    Identifier https://www.arcgis.com/home/item.html?id=80daabebf3a54050ae99c022614e8b20&sublayer=0
    Data First Published 2025-10-27T17:44:16.000Z
    Data Last Modified 2026-03-17T18:10:52.000Z
    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 eb34d353-3bc0-40f6-977a-fcb136ab4cf7
    Harvest Source Id b05f955a-65d6-4288-9558-15a5ebc74e36
    Harvest Source Title DC data
    Homepage URL https://opendata.dc.gov/datasets/DCGIS::air-quality-purple-air-sensors
    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 29667f0bd7bf6fcd7dd1d8056fb7e269fe84fd2073b0df6eaa7636a85bc8a9f0
    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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