TagAir Quality Monitors(75)

A secured air monitoring station enclosure surrounded by a black chain-link fence topped with razor wire. A sign on the building reads 'Air Monitoring Station,' consistent with environmental air quality monitoring infrastructure typically operated by agencies such as Puget Sound Clean Air Agency near high-traffic or airport zones.

A chain-link fence topped with razor/concertina wire encloses what appears to be utility or communications equipment cabinets, with multiple antennas or sensor masts visible above. The installation is located adjacent to a roadway with a wooded hillside visible in the background, consistent with infrastructure monitoring or navigation equipment near an airport environment.

A chain-link fence with razor wire surrounds a monitoring station enclosure bearing two posted signs. The right sign clearly reads 'Seattle 1st & Weller Air Monitoring Station' and includes logos from Washington State Department of Ecology, EPA Clean Air, and SEPA; the left sign appears to be a multilingual (Vietnamese and Chinese) version of the same information.

A Sound Transit air quality monitoring station enclosure, visible behind a chain-link security fence. A sign on the enclosure reads 'Sound Transit Air Monitoring Station,' and in the background the distinctive roof structure of Lumen Field (Seattle Seahawks/Sounders stadium) is visible, placing this installation in the SoDo/Stadium District area of Seattle.

A small concrete block building enclosed by a chain-link fence topped with razor/concertina wire, with a communications or antenna mast rising from or near the structure. The facility appears to be adjacent to a busy roadway with overhead power lines and urban buildings visible in the background; no identifying text, logos, or signage are legible in the image.

A sign mounted on a chain-link fence identifies the Seattle 10th & Weller Air Monitoring Station, operated by the Washington Department of Ecology and the Puget Sound Clean Air Agency in cooperation with the EPA. The station monitors nitrogen dioxide, carbon monoxide, and fine particle pollution to determine whether air quality meets national health-based standards.

Street-level view of the intersection of S Weller Street and 10th Ave S in Seattle's Chinatown-International District, showing a fenced air quality or environmental monitoring station with instrumentation tower. The arch of Lumen Field (formerly CenturyLink/Seahawks Stadium) is visible in the background, and bilingual Vietnamese-English street signs are visible on the pole.

Street signs mark the intersection of S Weller St (400 block) and 10th Ave S in Seattle, with bilingual Vietnamese translations reading 'Nam Đường Weller' and 'Đường Số 10 Nam.' The location is in Seattle's International District/SoDo area, with a chain-link fenced vacant lot visible in the background.

Two aircraft are visible in flight over a hillside urban area with lush green trees. In the foreground is a secured facility with chain-link fencing topped with razor wire, a tall lattice communications or weather monitoring tower with instruments at the top, and what appears to be a partial solar halo phenomenon in the overcast sky.