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STNI

STNISea-Tac Noise.Info

  • Solve for Sea-Tac. Solve for every airport.
  • Since 2016, working to obtain justice for everyone living under the flight path.
  • Less Noise. Cleaner Air. Better Public Health. Compensation.
  • Everything you think you know about the airport is wrong.

TagPSCAA(32)

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  • May 14 2026 advisory council meeting agenda and materials pdf
    2026-05-14

    PSCAA Advisory Council Meeting

    Call to Order – Land Acknowledgement 9:00 – 9:05 Land acknowledgement recognizing Coast Salish people and traditional lands I. Early Morning: Alignment & Assessment A. Approval of March 11, 2026 Minutes 9:05 – 9:30 B. Introductions and Setting Goals and Norms for Retreat 9:05 – 9:30 II. New Business A. Strategic Plan Third Annual Report
    CategoriesEvents TagsAdvisory Committees, PSCAA, strategic plan
  • 2026-05-14

    PSCAA Advisory council meeting agenda

    Advisory Council meeting agenda for May 14, 2026, including land acknowledgement, approval of March minutes, strategic plan updates, and discussion of council roles in supporting strategic plan delivery. The meeting includes alignment and assessment activities followed by new business items.
    CategoriesMeetings TagsAdvisory Committees, PSCAA, strategic plan
  • May 14 2026 advisory council meeting agenda and materials pdf
    2026-05-14

    Advisory council meeting agenda

    Advisory Council meeting agenda for May 14, 2026, including land acknowledgement, approval of March minutes, strategic plan updates, and discussion of council roles in supporting strategic plan delivery. The meeting includes alignment and assessment activities followed by new business items.
    CategoriesMeetings TagsAdvisory Committees, community engagement, PSCAA, strategic plan
  • 690630597 1320385723523119 4304153053708138093 n 6

    PSCAA AQI Index

    An Air Quality Index (AQI) reference table published by the Puget Sound Clean Air Agency, showing four levels of concern (Good 0-50, Moderate 51-100, Unhealthy for Sensitive Groups 101-150, and Unhealthy 151-200) with corresponding descriptions and public health recommendations. The agency's logo is visible in the lower right corner.
    TagsAir Quality Monitors, PSCAA
  • 2025-12-01

    2025 Report: Overburdened Communities Highly Impacted by Air Pollution

    A report by the Washington State Department of Ecology’s Air Quality Program examining overburdened communities that are highly impacted by air pollution. The document includes publication information, contact details for regional offices, and ADA accessibility information.
    TagsAir Quality Monitors, Environment, Environmental Impact Statement, PSCAA
  • 2025-12-01

    Puget Sound Region Final Comprehensive Climate Action Plan

    The Puget Sound Region Final Comprehensive Climate Action Plan, published December 1, 2025 by the Puget Sound Clean Air Agency, outlines greenhouse gas reduction strategies for King, Kitsap, Pierce, and Snohomish Counties in the Seattle-Tacoma-Bellevue metropolitan area. The plan covers six sectors—Built Environment, Transportation, Municipal Solid Waste and Wastewater, Natural and Working Lands, Refrigerants, and Consumption—with goals, emission projections, and workforce planning analysis. Note that this document focuses on regional climate and air quality policy rather than Sea-Tac Airport noise regulations specifically.
    TagsClimate, Environmental Protection Agency, King County, PSCAA, Puget Sound Clean Air Agency
  • 25112520Puget20Sound20Region20Final20Ccap EPA Pdf
    2025-12-01

    Puget Sound Region Final Comprehensive Climate Action Plan

    A comprehensive climate action plan for the Seattle-Tacoma-Bellevue Metropolitan Statistical Area covering King, Kitsap, Pierce, and Snohomish Counties. The plan provides greenhouse gas emission reduction strategies across six sectors: built environment, transportation, waste, natural lands, refrigerants, and consumption.
    TagsClimate, Environmental Protection Agency, King County, PSCAA, Puget Sound Clean Air Agency
  • 2025-09-16

    Air Quality Monitor Site Visit

    Progress towards the first aviation air quality network in the nation SeaTac: State and local officials from Puget Sound Clean Air Agency (PSCAA) and Des Moines gathered today with researchers from University of Washington Department of Occupation and Environmental Health Sciences (UWDEOHS) at Sunset Park to learn about the latest PSCAA Air monitoring site, and
    CategoriesNews Stories TagsAir Quality Monitors, City Of Des Moines, PSCAA, UWDEOHS
  • 2025-09-15

    PSCAA Sunset Park Air Quality Monitor Tour Presentation

    TagsAir Quality Monitors, PSCAA, Ultrafine Particulates
  • 2025-06-01

    2025 Ambient Air Monitoring Network Plan

    A network plan for ambient air monitoring by the Air Quality Program of the Washington State Department of Ecology. The document outlines contact information, regional office structure, and accessibility policies for the department’s air quality monitoring initiatives.
    TagsAir Quality Monitors, Ecology, PSCAA, Washington State, Washington State Department Of Health

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Issues

Sea-Tac Airport is currently undergoing the largest and longest expansion in its history, collectively known as the Sustainable Airport Master Plan (SAMP). Some of it you can already hear, but you’re probably not aware of what it all means. Here’s what you need to know.
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Read This!

As the source for federal transportation grants, the Puget Sound Regional Council was charged with developing a system to meet the growing need for commercial aviation. When the search for a second airport failed, they authorized the Port of Seattle to build the Third Runway, with a mandate to develop a noise abatement and mitigation program. In their effort to stop the Third Runway, the ACC argued over every detail of the Port's efforts--including property buyouts and sound insulation. The dispute was meant to be settled by a three member Expert Arbitration Panel. This is their final report. It finds 2-1, that the Port's program was insufficient in several respects. Despite that, funding for the Third Runway was approved by the PSRC, and the 'Port Package' program, proceeded largely unchanged. Expert Arbitration Panel's final decision finding that the Port of Seattle had not shown sufficient reduction in real on-the-ground noise impacts to satisfy noise reduction conditions required for approval of a third runway at Sea-Tac International Airport. The majority decision concluded the Port's noise abatement programs were insufficient despite being impressive in scope.
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