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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.

TagAir Quality Monitors(56)

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  • 2025-02-14

    Washington State Air Pollution Map – Airport Communities

    Map of Washington State showing cumulative levels of criteria air pollution with numbered markers indicating 16 airport-impacted communities. The map uses green shading to represent pollution levels from highest to lowest, with communities like Ellensburg, Everett, South King County, and others marked with red numbered circles.
    CategoriesExplainers, Resources TagsAir Quality Monitors, Airport Communities Coalition, Airport Impacted Communities Act, airport issues, Airports, Aviation Emissions
  • Gettyimages 1259132714
    2025-01-22

    The Air Quality Index and how to use it, explained

    by Rebecca Leber Updated Jan 22, 2025, 10:49 PM UTC Worsening wildfires mean everyone should have a basic understanding of how to read and respond to the Air Quality Index. It’s a good idea to reduce outdoor exercise on hazardous air days to cut down on exposure.Kamil Krzaczynski/AFP via Getty Images Rebecca Leber was a
    CategoriesFrom The Web TagsAir Quality Monitors, Climate, Policy, Vox
  • 2025-01-21

    Senate Bill 5380 – Environmental Justice Act

    Washington State Senate Bill 5380 introduced to reduce disparities in cumulative environmental and health impacts by improving government decisions. The bill amends existing environmental review codes and requires the Department of Ecology to add environmental justice as an element in environmental reviews and checklists.
    CategoriesLegislation Tags2026 legislative session, Air Quality Monitors, Airport Impacted Communities Act
  • 2025-01-21

    Senate Bill 5380 – Environmental Justice in Government Decisions

    Washington State Senate Bill 5380 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 assessments and requires lead agencies to consider environmental justice when implementing environmental requirements.
    CategoriesLegislation Tags2026 legislative session, Air Quality Monitors
  • 2025-01-01

    Substitute House Bill 1303 – Environmental Justice in Government Decisions

    Washington State legislation (SHB 1303) relating to increasing environmental justice by improving government decisions. The bill adds environmental justice as an element within environmental review processes and requires agencies to consider environmental justice when implementing environmental requirements.
    CategoriesLegislation Tags2026 legislative session, Air Quality Monitors, Allergens, American Lung Association
  • Air Quality Monitoring

    Tons of data. But not the right kind. The bad news: Real-Time Monitors There are four (close-to) real-time monitoring sites which will show you some aspects of air quality around the airport. Washington State Department of Ecology Ecology is the State agency which determines criteria (regulated) pollutants. Note that monitor closest to the airport is
    TagsAir Quality Monitors
  • PSCAA Air Quality Monitor Site Sunset Park 2024-02-05

    Sunset Park King County DNRP service yard. TSI Scanning Mobility Particle Sizer, which will collect routine ultrafine particle counts in many size bins. Also hourly black carbon and total fine particle concentrations at this site. Google Maps
    TagsAir Quality Monitors, North Sea-Tac Park, PSCAA, Puget Sound Clean Air Agency
  • 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
  • 2023-08-20

    Air Quality Map – Des Moines, WA Area

    PurpleAir air quality monitoring map showing PM2.5 AQI readings in the Des Moines, Washington area. The map displays various sensor readings with a highlighted sensor showing an AQI of 234, indicating very unhealthy air quality conditions with health alerts for the area.
    TagsAir Quality Monitors, Airport, Des Moines
  • Anatomy of an air quality monitoring network

    This is a fixed site air quality monitoring (AQM) station. If your first reaction was, “So what?”, skip to the bottom, we’ll wait. You can view this as a stand-alone device, or you can view it as one node in a network of AQMs, which work together to allow for researchers to capture a much
    CategoriesExplainers TagsAir Quality Monitors

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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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