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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.

TagUniversity Of Washington(27)

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  • 2019-12-01

    Mobile ObserVations of Ultrafine Particles: The MOV-UP study report

    ★ 32
    The MOV-UP (Mobile ObserVations of Ultrafine Particles) study was a two-year University of Washington research project, funded by the State of Washington, that measured air quality impacts from aircraft traffic on communities living near and beneath the flight paths of Seattle-Tacoma International Airport. Researchers used mobile monitoring methods to collect ultrafine particle data across the affected neighborhoods, working alongside local governments, community members, and an advisory group of agency and city representatives. The findings are intended to inform policymakers and the public about the air pollution risks associated with airport operations in the Seattle-Tacoma region.
    CategoriesKey Documents TagsDEOHS, pollution, UFP, Ultrafine Particulates, University Of WashingtonFolderUWDEOHSStudy TopicsAir Quality, Ultrafine Particles
  • Noisequest 2color edited
    2026-04-28

    Noisequest logo

    Logo for NOISE (Neighbors Opposed to Irritating and Stressful Environments), a community advocacy organization concerned with airport noise. The logo features bold blue block letters spelling 'NOISE' with a stylized blue commercial airplane graphic integrated into the design.
    TagsAcademic Journals, Noise, University Of WashingtonFolderNoise
  • 2026-01-26

    SB5652 – S-4461.1/26 AN ACT Relating to reducing environmental and health disparities and improving the health of Washington state residents in large port districts

    Washington state legislation (PSSB 5652) establishing partnerships and grant programs to address aviation-related air quality and noise impacts on communities near airports. The bill requires the University of Washington to develop exposure maps and assess health impacts, directs the State Auditor to evaluate noise mitigation retrofits, and creates a mitigation grant program administered by the
    TagsDepartment Of Commerce, Legislation, SB5652, University Of WashingtonFolderSB5652
  • 2026-01-19

    SB5652 SB-4052.1 Relating to reducing environmental and health disparities and improving the health of Washington state residents in large port districts

    Washington State Senate Bill 5652 establishing partnerships and grant programs to address aviation-related air pollution and noise impacts on communities near airports. The bill requires the University of Washington to assess aviation impacts and directs the state auditor to evaluate Port of Seattle’s port package programs. AN ACT Relating to reducing environmental and health disparities
    TagsLegislation, Port Of Seattle, SB5652, University Of Washington, Washington State LegislatureFolderSB5652
  • 2025-12-10

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

    A University of Washington research team examined the air quality benefits of using Sustainable Aviation Fuel (SAF) at a Washington State international airport, covering activity during the year 2024. The report, prepared by the Department of Environmental & Occupational Health Sciences and submitted in December 2025, analyzes how SAF adoption can reduce harmful emissions in the surrounding region. It offers findings relevant to policymakers, airport operators, and communities concerned about the environmental impact of aviation fuel use.
    CategoriesNews Stories TagsAviation Fuel, SAF, State of Washington, Sustainable Aviation Fuels, University Of WashingtonFolderUWDEOHS
  • 2024-10-24

    Assessing exposures to source-specific air pollution through a multi-pollutant mobile monitoring campaign in Seattle, WA

    This presentation from the 2024 International Society of Exposure Science annual meeting describes a mobile air quality monitoring study conducted in Seattle, Washington, aimed at measuring exposure to pollutants from specific pollution sources. Researchers from the University of Washington used a multi-pollutant mobile monitoring campaign to assess how residents are exposed to various types of air pollution across different locations in the city. The study covers methods, results, and conclusions related to source-specific air pollution exposure assessment.
    TagsEdmund Seto, Elena Austin, Timothy Larson, University Of WashingtonFolderHealth
  • 2023-08-23

    SeaTac International Airport: Trifecta for change

    This presentation addresses environmental and health concerns surrounding Seattle-Tacoma International Airport, framing the issue as more than a mere noise nuisance by highlighting the health impacts of Jet A fuel pollution, specifically ultrafine particles. It outlines a 'Trifecta for Change' strategy that includes shifting public dialogue, engaging the University of Washington to study pollution prevalence, and building local, state, and federal partnerships to advance mitigation efforts.
    TagsAviation Emissions, community engagement, Sea-Tac Airport, Ultrafine, University Of WashingtonFolderANES
  • ANES 2023 Program Information

    Adapting for Tomorrow, Today While climate change is an urgent challenge for every sector, forcing businesses and people to rethink their actions, the airline industry and affected communities are also facing even deeper challenges in attempting to alleviate continued noise, health and climate change impacts. This year’s sessions will take a deep dive into how aviation noise and emissions assessments
    CategoriesFrom The Web TagsANES, Aviation Noise & Emissions Symposium, Elena Austin, Tina Orwall, UC Davis, University Of Washington, UWDEOHS
  • 2023-06-07

    Ultrafine particles near airports

    The University of Washington School of Public Health was directed by Washington State to study ultrafine particle air pollution near Sea-Tac Airport, the state's busiest international airport. The study assessed air quality within 10 miles of the airport along flight paths, distinguishing between aircraft and other pollution sources, and comparing affected areas with unaffected ones. Findings were shared with local governments and community members, with a final report due December 1, 2019.
    TagsAir Quality Monitors, Budget Proviso, Highline Forum, Sea-Tac Airport, Ultrafine Particulates, University Of WashingtonFolderHighline Forum 2017
  • 2022-08-20

    Background: Racial and economic inequities in birth outcomes

    A University of Washington Epidemiology researcher, Anna Harrington, presents findings showing that communities near Seattle-Tacoma International Airport have higher rates of preterm births and are home to a disproportionate share of King County's people of color and low-income residents. The presentation proposes a qualitative research study to explore how airport community stakeholders perceive the public health risks of SeaTac air pollution on pregnant people, and what barriers they face in reducing that exposure. The study aims to understand whether risk perceptions and mitigation strategies differ based on the racial identity and income level of pregnant individuals.
    TagsEnvironmental Justice, King County, Sea-Tac Airport, University Of WashingtonFolderHealth

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Upcoming Events

  • Stay Grounded Event: Night trains, not night planes!
    Add to CalendarMSunday Sep 13: 12:00am
    Ntnnp social media3

    For the past two years, more than 220 initiatives from 15 countries have declared September 13th as the International day for the ban of night flights at airports. In parallel, activists across Europe have been gathering for pyjama parties for night trains – coordinated in 2024 and 2025 by Back on Track and Stay Grounded.

    [...]
  • Burien Airport Committee Meeting September 15, 2026
    Add to CalendarMTuesday Sep 15: 6:00pm
    400 SW 152nd St, Burien, WA 98166
    Burien airport committee 15 sep 2026 agenda pdf pdf

    a) Part 150 Noise Study (Emily Inlow-Hood) — 15 minutes
    b) SAMP Update and Next Steps (Brian Davis and Sarah Moore) — 15 minutes
    c) Legislative Updates — 10 minutes
       • SCA (Sarah Moore)
       • Work with Sen. Orwall (Brian Davis)
    d) StART Reorganization (Jeff Harbaugh and Karen Veloria) — 10 minutes

    [...]

[See all...]


Help study childhood asthma. Get free HEPA filter!

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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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