TagAviation Emissions(22)
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2025-10-01Impacts of Aviation Emissions on Air Quality Near Hanscom Field, Bedford, Massachusetts – Results of a Two-Season Monitoring Campaign
A comprehensive study measuring ultrafine particles, lead, and other air pollutants from aviation emissions at Hanscom Field across four surrounding Massachusetts towns. The study found that UFP concentrations were up to two-fold higher at downwind sites and often exceeded WHO guidelines, with the highest impacts in Bedford and Lexington. -
2025-09-15SMPS Particle Bin Counts and Geometric Mean at 10th&Weller
A scientific chart showing SMPS (Scanning Mobility Particle Sizer) particle bin count measurements and geometric mean data collected at the 10th & Weller monitoring location over a 24-hour period. The contour plot displays particle size distribution data from 5nm to 382nm, with logarithmic color scaling showing particle concentrations from September 15, 2025. -
2025-08-16Aircraft Flying Over Seattle Metropolitan Area
Aerial view showing commercial aircraft flying over the Seattle metropolitan area with Mount Rainier visible in the background. The image depicts multiple aircraft including what appears to be commercial jets flying over the city’s urban landscape and waterways. -
2025-02-14Washington 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. -
2024-05-182025 Federal Aviation Reauthorization Wins for Washington – Alternative Aviation Fuel Investments
Announcement of provisions in the 2025 Federal Aviation Reauthorization bill focused on advancing aviation technology and sustainability through the Airport Improvement Program. The bill includes studying electric and hydrogen-powered aircraft integration, expanding alternative fuels research, and developing coordinated strategies for new aviation fuel systems to protect airport communities. -
2024-05-182025 Federal Aviation Reauthorization Wins for Washington – Protecting Airport Communities
Announcement about the 2025 Federal Aviation Reauthorization Act focusing on sustainable and reliable aviation. The legislation includes provisions for researching alternative aviation fuels like hydrogen and electric power, as well as efforts to improve energy efficiency at airports. -
2024-04-13Climate Protest Signs with Fossil Free Future Theme
Image shows protesters holding signs with environmental and climate activism messaging, including ‘Fossil Free Future’ banners with artistic designs. The demonstration appears to be taking place in an urban setting with tall buildings in the background. -
2024-01-28Aircraft Light Trails Over Night Sky
Long exposure photograph showing curved light trails of aircraft in flight against a dark night sky above a city horizon. The image captures the flight paths of multiple aircraft with their navigation lights creating streaking patterns through the darkness. -
2023-03-05Aircraft Size Comparison – A320, A321, and Transcontinental/Transatlantic H2 Aircraft
Technical diagram showing side-by-side size comparison of four aircraft types: Airbus A320, A321, and two variants of hydrogen-powered aircraft designed for transcontinental and transatlantic routes. The diagram illustrates the relative scale and configuration differences between conventional and hydrogen aircraft designs. -
2023-01-23House Bill 1505 – Alternative Jet Fuel Industry in Washington
A Washington State legislative bill (HB 1505) introduced in the 2023 regular session to promote the alternative jet fuel industry in Washington. The bill aims to use climate commitment act funds to promote sustainable aviation fuels production, reduce greenhouse gas emissions, and create manufacturing jobs while improving air quality for airport workers and surrounding communities.