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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.

TagUltrafine Particulates(24)

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  • Study shows traffic-related air pollution in Irvine weakens brain function

    Anna Aldrich, University of California, Irvine The brains of wild type (WT) and Alzheimer’s (APP) mouse models were analyzed after exposure to purified air (Con) and ultrafine particulate matter (PM) for the presence of astrocyte cells. These were visualized by staining them green (left column), with potentially harmful and activated astrocytes appearing in red (middle
    CategoriesFrom The Web TagsIrvine, pollution, Toxicological Sciences, Ultrafine Particulates, University of California
  • Ultrafine particle monitoring (Seattle/Chinatown and Sea-Tac Airport) HDC2 11 12 42

    Community Projects are a recent innovation in the State Legislature. Essentially, House members sponsor their own grants which are funded as capital projects. In this case, $340,000 is being allocated for two ultrafine particle monitors to be handed off to Puget Sound Clean Air Agency (PSCAA). One will be in Chinatown, at the confluence of
    CategoriesLegislation TagsAir Quality Monitors, PSCAA, Puget Sound Clean Air Agency, Tina Orwall, Ultrafine Particulates
  • Ultrafine particles: unique physicochemical properties relevant to health and disease

    https://www.nature.com/articles/s12276-020-0405-1
    TagsUFP, Ultrafine Particulates
  • 2022-08-13

    *Where’s my Clair Patterson?

    There is this form of air pollution, which you probably have not heard of, called ultrafine particulates (UFPs). Though they are invisible, they seem to have some particularly nasty effects on human health. UFPs have not been well-studied, they are unregulated, and yet they are prevalent in commercial jet engine emissions. But this is not
    CategoriesChange The Culture, History TagsAvGas, Clair Patterson, Environment, EPA, Lead, movie, PSCAA, Puget Sound Clean Air Agency, Ultrafine Particulates
  • Beacon Hill Air & Noise Pollution Community Meeting Zoom Video

    https://seatacnoise.info/wp-content/uploads/20ECZoomCommunityReportBack12-5-20%20copy.mp4 Seattle Beacon Hill Air & Noise Pollution Community Meeting Dec 5, 2020 10:00 AM sponsored by El Centro De La Raza and hosted by Maria Batayola. Featured speakers were Congressman Adam Smith and Dr. Edmund Seto of UW DEOHS. Related: The Relationship Between Flight Traffic, Ultrafine Particles and Noise from the Seattle Aircraft Air
    TagsAdam Smith, Beacon Hill, DEOHS, Health, pollution, Ultrafine Particulates, UW
  • The Relationship Between Flight Traffic, Ultrafine Particles and Noise from the Seattle Aircraft Air and Noise Study

    TagsBeacon Hill, DEOHS, Edmund Seto, Elena Austin, Tim Gould, Timothy Larson, Ultrafine Particulates, University Of Washington
  • Ultrafine particles: unique physicochemical properties relevant to health and disease

    Hyouk-Soo Kwon, Min Hyung Ryu & Christopher Carlsten Experimental & Molecular Medicine volume 52, pages318–328 (2020)Cite this article 15k Accesses 98 Citations 82 Altmetric Metricsdetails Abstract Ultrafine particles (UFPs) are aerosols with an aerodynamic diameter of 0.1 µm (100 nm) or less. There is a growing concern in the public health community about the contribution of UFPs to human health. Despite their modest mass
    CategoriesFrom The Web TagsExperimental & Molecular Medicine, Health, Hyouk-Soo Kwon, Ultrafine ParticulatesStudy TopicsUltrafine Particles
  • 2019-12-13

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

    The Mobile ObserVations of Ultrafine Particles (MOV-UP) study was a two-year project funded by the State of Washington to study air quality impacts of air traffic for communities located near and below the flight paths of Seattle-Tacoma International Airport. The University of Washington research team that led the study coordinated with local governments and solicited
    CategoriesKey Documents TagsDEOHS, pollution, UFP, Ultrafine Particulates, University Of WashingtonStudy TopicsAir Quality, Ultrafine Particles
  • The toxic killers in our air too small to see

    Current pollution meters don’t count the very smallest pollutants – nanoparticles. Recent research suggests these tiny toxic substances could be a major cause of illness and death. By Tim Smedley 15th November 2019 A After years of headlines about air pollution, we’ve been misled on a few things about the world’s biggest environmental health problem.
    CategoriesFrom The Web TagsBBC, pollution, UFP, Ultrafine Particulates
  • Aviation-Related Impacts on Ultrafine Particle Number Concentrations Outside and Inside Residences near an Airport

    Jet engine exhaust is a significant source of ultrafine particles and aviation-related emissions can adversely impact air quality over large areas surrounding airports. We investigated outdoor and indoor ultrafine particle number concentrations (PNC) from 16 residences located in two study areas in the greater Boston metropolitan area (MA, USA) for evidence of aviation-related impacts. During
    Tagsindoor air quality, Logan International Airport, pollution, Tufts University, Ultrafine Particulates

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Upcoming Events

  • 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.

    [...]
  • KCIA Vision 2045 Open House
    Add to CalendarMThursday May 14, 5:30pm - 7:30pm
    KCIA Flight Service Station, 6526 Ellis Ave. S. Seattle, WA 98108
    Kcia Boeing Field Beautyshotkcia

    King County International Airport-Boeing Field is at a pivotal moment, developing comprehensive plans that will determine its operations through 2045. The airport's Vision 2045 Airport Plan and Part 150 Study represent crucial strategic initiatives to balance safe, efficient operations with evolving aviation demands and community needs.

    Join airport officials on Thursday, May 14 (5:30-7:30 p.m.) at the KCIA Flight Service Station to discover the preferred alternative for the airport's future development. This isn't just another planning meeting—it's your opportunity to understand how proposed projects and improvements will directly impact aviation services, local operations, and surrounding communities.

    The Vision 2045 plan incorporates extensive stakeholder feedback and addresses critical infrastructure needs for future demand. Meanwhile, the Part 150 Study focuses on noise compatibility programs, ensuring community concerns remain central to planning decisions.

    With environmental analysis nearing completion and submissions to King County Council and the FAA approaching, this open house offers essential insights into decisions that will shape regional aviation for decades.

    Visit KCIAplanning.com for updates.

    [...]

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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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