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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.

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  • 2026-03-09

    How a Senate chairman’s retaliation harmed ferries | Opinion

    This may not appear to have much to do with the airport. It is extremely unusual for any WA state elected representative to express frustration someone in their own party--particularly someone as powerful as <a href="https://senatedemocrats.wa.gov/liias/">Senator Marko Liias (D) 21st LD</a>. But Democrats have had control of the legislatures so long it is inevitable that cracks will occur. We applaud any legislator with the courage to speak out in what has become a monoculture. In Washington, there are three independent budgets. As chair of the Senate Transportation Committee, Senator Liias controls one of them, billions of dollars in funding, not only for the ferry system, but also aviation fuels. One of his priorities is Sustainable Aviation Fuel (SAF), a greenwashing distraction strongly supported by the Port of Seattle. There are ongoing plans to spend hundreds of millions of dollars in SAF processing facilities in and around his district. But despite promises from Alaska, United, and Delta, to achieve 10% usage by 2030, as of 2026 not one gallon of SAF has been used at Sea-Tac Airport.
    CategoriesFrom The Web TagsKitsap Sun, Marko Liias, transportation, Washington State
  • 2025-12-10

    Sustainable Aviation Fuel Use at a Washington State International Airport: Regional Air Quality Benefits

    A research report conducted by the University of Washington’s Department of Environmental & Occupational Health Sciences analyzing the regional air quality benefits of sustainable aviation fuel use at Sea-Tac Airport during 2024 under SB5447. Executive Summary This is the second annual University of Washington report mandated under SB 5447. The work presented here advances this
    CategoriesNews Stories TagsAirport, University Of Washington, Washington State
  • UWDEOHS ATJ SAF Use at WA State International Airport 2025
    2025-12-01

    Sustainable Aviation Fuel Use at a Washington State International Airport: Regional Air Quality Benefits

    A research report analyzing the regional air quality benefits of sustainable aviation fuel use at a Washington State international airport during 2024. The study was conducted by the University of Washington’s Department of Environmental & Occupational Health Sciences.
    CategoriesNews Stories TagsAirport, University Of Washington, Washington State
  • 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
  • 2025-01-15

    House Bill 1303 – Environmental Justice in Government Decisions

    Washington State House Bill 1303 introduced in the 69th Legislature to increase environmental justice by improving government decisions. The bill requires the Department of Ecology to add environmental justice as an element in environmental reviews and requires lead agencies to consider environmental justice when implementing environmental requirements.
    CategoriesLegislation TagsEnvironmental Justice, Washington State
  • Getpdf 1 Pdf
    2023-01-25

    Multiple Agency Fiscal Note Summary – Alternative Jet Fuel Bill 1505 HB

    Fiscal impact analysis for Washington State House Bill 1505 regarding alternative jet fuel, showing estimated cash receipts, operating expenditures, and capital budget impacts across multiple state agencies from 2023-2029. The analysis indicates significant revenue impacts starting in 2025-27 with $520,000 in reduced receipts escalating to over $9 million by 2027-29.
    TagsWashington State
  • 2021-01-11

    Washington Action Plan—FAA Policy Concerning Airport Revenue—2021 Update

    A report from the Washington State Department of Revenue updating the action plan regarding FAA policy on airport revenue use, focusing on tracking methods for hazardous substance tax and petroleum products tax on aviation fuel. The report addresses federal requirements that certain state and local taxes on aviation fuel be used exclusively for airport purposes
    TagsAviation Fuel, FAA, Washington State
  • FAA Policy Airport20Revenue Pdf
    2021-01-11

    Washington Action Plan—FAA Policy Concerning Airport Revenue—2021 Update

    A report from the Washington State Department of Revenue updating the action plan regarding FAA policy on airport revenue use, focusing on tracking methods for hazardous substance tax and petroleum products tax on aviation fuel. The report addresses federal requirements that certain state and local taxes on aviation fuel be used exclusively for airport purposes
    TagsAviation Fuel, FAA, Washington State
  • 2020-05-29

    Study of the Current and Ongoing Effects of the Operation of the Seattle-Tacoma International Airport

    A comprehensive study examining the current and ongoing effects of Seattle-Tacoma International Airport operations. The study was prepared for the Washington State Department of Commerce as authorized by ESSB 6032 and conducted by Stantec consulting firm.
    TagsDepartment Of Commerce, Stantec, Washington State
  • Seatac Legislative Report FINAL Pdf
    2020-05-29

    Study of the Current and Ongoing Effects of the Operation of the Seattle-Tacoma International Airport

    A comprehensive study examining the current and ongoing effects of Seattle-Tacoma International Airport operations. The study was prepared for the Washington State Department of Commerce as authorized by ESSB 6032 and conducted by Stantec consulting firm.
    TagsDepartment Of Commerce, Washington State
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Upcoming Events

  • Port of Seattle Commission Meeting – Resolution No. 3848
    Add to CalendarMTuesday Apr 28: 12:00am
    Port of Seattle

    Agenda Item 10b Resolution No. 3848: Port of Seattle Participation in City of Bellevue Tax Increment Area Approval of the Port’s participation in the city of Bellevue’s tax increment area, as authorized under RCW 39.114.020. Key Points: Authorization for City of Bellevue to enact increment area up to $500,000,000 in combined assessed valuation if connected

    [...]
  • Port of Seattle Regular Commission Meeting April 28, 2026
    Add to CalendarMTuesday Apr 28: 12:00pm
    17801 International Blvd, Seattle, WA 98158
    2026 04 28 RM Packet Pdf 1

    # New Business Items
    **Order No. 2026-04:** Directs Executive Director to explore a program facilitating secure area access for union business requirements at Seattle-Tacoma International Airport.

    **Resolution No. 3848:** Approves Port's participation in City of Bellevue's Tax Increment Area.

    **Fishermen's Terminal C-15 Building Improvements:** Authorization for Executive Director to approve funding to advertise and execute a major public works construction contract for project completion.

    [...]
  • StART (SEA Stakeholder Advisory Round Table) Meeting
    Add to CalendarMWednesday Apr 29, 5:00pm - 7:00pm
    Zoom Webinar
    Start Meetingagenda 2026429 Pdf 1

    - **SAMP Environmental Review**: Detailed comparison between SEPA Environmental Impact Statement and NEPA Environmental Assessment processes for Near-Term Projects
    - **Community Roundtable Updates**: Progress report on airport stakeholder engagement initiatives
    - **Next Steps**: Implementation timeline for environmental review findings

    **Notable Action Item:**
    Public comment period opened for stakeholder input on airport development plans.

    [...]

[See all...]


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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!

This is the first study to combine a one-year mobile monitoring campaign with PMF (Positive Matrix Factorization) analysis to simultaneously estimate source-specific air pollution exposures and emission factors of different vehicle types. This methodology can be extended to other metropolitan areas.
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