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

    Washington State Air Quality

    Metadata Updated: June 21, 2025

    The links on this page provide access to the Washington State Department of Ecology's Air Monitoring Network, which tracks various air pollutants at more than six dozen sites statewide. Visitors can filter and export historic data using the Site Report tool, and gather traffic-specific air pollutant data from the Seattle and Tacoma monitoring sites linked below.

    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: No license information was provided.

    Downloads & Resources

    Dates

    Metadata Created Date November 10, 2020
    Metadata Updated Date June 21, 2025

    Metadata Source

    Harvested from WA JSON

    Other Data Resources

    Additional Metadata

    Resource Type Dataset
    Metadata Created Date November 10, 2020
    Metadata Updated Date June 21, 2025
    Publisher data.wa.gov
    Maintainer
    Identifier https://data.wa.gov/api/views/39v6-dykg
    Data First Published 2020-05-02
    Data Last Modified 2023-06-09
    Category Natural Resources & Environment
    Public Access Level public
    Metadata Context https://project-open-data.cio.gov/v1.1/schema/catalog.jsonld
    Metadata Catalog ID https://data.wa.gov/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 d37b248e-f17b-40b0-b115-29b3395092fe
    Harvest Source Id 1c33d1cb-2f69-4f1b-835e-453790f38dc7
    Harvest Source Title WA JSON
    Homepage URL https://data.wa.gov/d/39v6-dykg
    Source Datajson Identifier True
    Source Hash dc5795f3d51b8c7a055beeb86486685b43f318f422023ff82d4e8eddc5bc7403
    Source Schema Version 1.1

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