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STNI
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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.

TagDEOHS(13)

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  • UW DEOHS Flights passing over schools around Sea-Tac Airport

    UW DEOHS Flights passing over schools around Sea-Tac Airport A graphic showing how many flights pass over various public schools at an elevation < 750m in the area surrounding Sea-Tac Airport in 2019.
    TagsDEOHS, Elena Austin, UW
  • Monitoring air quality in schools

    January 27, 2021 | Deirdre Lockwood Does ultrafine air pollution infiltrate schools near Sea-Tac Airport? DEOHS researchers partner with cities in South King County to find out. DEOHS Assistant Professor Elena Austin is leading a project to track air quality in public schools near Sea-Tac Airport. Photo: Mark Stone. As students in King County public
    CategoriesFrom The Web TagsDEOHS, Elena Austin, pollution, University of Washingon, UW
  • UW DEOHS Ambient air quality monitoring platform

    CategoriesResources TagsAir Quality Monitors, DEOHS, Elena Austin, STAAQM, UW
  • The Sea-Tac Airport Annual Air Quality Monitoring Proposal (STAAQM)

    This post describes a proposal we have put forward to Washington State legislators Senator Karen Keiser (33rd) and Representative Jesse Johnson (30th). In one sentence, we want an annual report of all key aviation-related emissions for every neighborhood affected by the operations from Sea-Tac Airport. We refer to this proposal as Sea-Tac Airport Annual Air
    CategoriesChange The Culture, Legislation TagsAir Quality Monitors, DEOHS, Jesse Johnson, Karen Keiser, MOV-UP, Policy, PSCAA, Puget Sound Clean Air Agency, STAAQM, Suggested Legislation, UW
  • 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
  • 2020 Washington State Senate Bill 6168 Sec. 603 (42) Indoor Air Quality Study

    State Budget (SENATE BILL 6168, Sec. 603) (42) $50,000 of the general fund—state appropriation for fiscal year 2021 is provided solely for the department of environmental and occupational health sciences to provide an air quality report. The report will study the relationship between indoor and outdoor ultrafine particle air quality at sites with vulnerable populations,
    CategoriesLegislation TagsAir Quality Monitors, DEOHS, Edmund Seto, Health, HEPA Filters, Tina Orwall, UW
  • 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
  • Federal Way Letter to UW on Ultrafine Particles Study

    TagsDEOHS, Edmund Seto, Federal Way, MOV-UP, Susan Honda, Timothy Larson
  • What are they getting exposed to out there?

    April 29, 2019 | Lynn Schnaiberg Research led by UW DEOHS measures air traffic pollution around Sea-Tac Airport to understand potential health effects on nearby communities UW DEOHS leads the first study to systematically track aircraft-related air pollution in the communities around Seattle-Tacaoma International Airport. Photo: Don Wilson, Port of Seattle. JC Harris lives on
    CategoriesFrom The Web TagsDEOHS, Edmund Seto, UW

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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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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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