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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: April 15, 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 April 15, 2026

    Metadata Source

    Harvested from DC data

    Other Data Resources

    Additional Metadata

    Resource Type Dataset
    Metadata Created Date October 30, 2025
    Metadata Updated Date April 15, 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 2026-04-14T18:10:50.000Z
    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 0484d827-1cd7-4897-a85c-85e922e55920
    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 369b321c26ece0356123405f7622dd58030f244ac8484567dfcece8778b08ab4
    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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