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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.

TagEcology(32)

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  • 2025-12-01

    South Seattle Community 2025 Environmental Justice Report

    A community report from the Washington State Department of Ecology providing information about air quality, demographic data, greenhouse gas emissions, and health impacts for the South Seattle community. The report identifies the community as overburdened and highly impacted by air pollution based on screening criteria.
    TagsEcology, Environmental Justice
  • 2025-12-01

    South King County Community 2025 Environmental Justice Report

    An environmental justice report by the Washington State Department of Ecology’s Air Quality Program analyzing air pollution impacts in South King County communities. The report provides demographic data, air quality information, and health impact assessments for overburdened communities highly impacted by air pollution.
    TagsEcology, Environmental Justice, Ozone
  • 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
  • 2024-10-24

    Toxics in firefighting law

    Final AFFF EIS published   The final AFFF environmental impact statement (EIS) is published. The EIS is based on feedback received during a public comment period on the draft EIS, which assessed disposal options for an AFFF collection and disposal program.     In 2018, Washington passed the Firefighting Agents and Equipment law (Chapter 70A.400 RCW). This law does the following: Restricts
    CategoriesFrom The Web TagsEcology, PFAS
  • Air Quality Monitor Jay Inslee Ecology Jefferson

    Gov. Jay Inslee, right, speaks with Greg Crider, an air monitoring scientist with the Department of Ecology, as he visits the Jefferson Park-Beacon Hill Air Monitoring Station in Seattle on Tuesday. (Karen Ducey / The Seattle Times)
    TagsAir Quality Monitors, Beacon Hill, Ecology, Jay Inslee
  • Ecology Shoreline Photo Viewer

    CategoriesResources TagsEcology
  • MOA Air Quality Monitoring Program Activities Relating To The Sea-Tac Airport Vicinity October 15, 1996

    TagsAir Quality Monitors, Ecology, EIS, PSAPCA, Puget Sound Air Pollution Control Agency, Third Runway
  • Identifying Overburdened Communities

    Introduction The Climate Commitment Act requires Ecology to create a Cap & Invest program to lower greenhouse gas emissions across the state. Additionally, the  Climate Commitment Act  requires us to identify “ overburdened communities  highly impacted by air pollution,” and make sure that this program reduces a class of pollutants called  “criteria” air pollutants , as well
    CategoriesFrom The Web TagsEcology, pollution
  • Washington Air Monitoring Network: Air Quality Program

    Washington State Department of Ecology
    CategoriesResources TagsAir Quality Monitors, Ecology, PM25
  • Results from soil contamination study of King County

    Tacoma Smelter Plume.Arsenic and lead levels are considered to be of concern, not an emergency.
    TagsArsenic, Ecology, King County, King County Public Health, soil, Tacoma Smelter PlumeStudy TopicsEnvironment

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Upcoming Events

  • Joint Des Moines and Burien Airport Committee Meeting
    Add to CalendarMMonday Jul 13: 4:00pm
    21630 11th Avenue S, Suite C,
    July 13 2026 joint des moines and burien airport committee meeting agenda packet pdf

    Agenda Item: 2026 Aviation Noise & Emissions Symposium Summary Document Link

    [...]
  • Rep. Adam Smith Aviation Forum
    Add to CalendarMSaturday Jul 18, 1:00pm - 2:00pm
    2400 S. 240th St,
    Event image 1

    From the Office of Congressman Adam Smith: Highline College (Building 8, Mt. Townsend Room)Des Moines, WA Saturday, July 18 • 1 PM – 2 PM Join Rep. Adam Smith for an Aviation Forum. Attendees will have questions and concerns about aviation noise and emissions. RSVP today! Representative Adam Smith is hosting an aviation forum with

    [...]

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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!

A report examining the barriers to implementing sustainable aviation fuel (SAF) in Massachusetts, authored by Neil Rasmussen and Chuck Collins from the Institute for Policy Studies. The report analyzes challenges and obstacles facing SAF adoption in the state.
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