PSCAA 10th and Weller Air Quality Monitoring Site — May 6, 2025, 22:02:51

A sign mounted on a chain-link fence identifies this as the Seattle 19th & Weller Air Monitoring Station, operated by the Washington Department of Ecology and the Puget Sound Clean Air Agency in cooperation with the EPA. The sign explains that the station monitors nitrogen dioxide, carbon monoxide, and fine particle pollution near vehicle traffic, with data accessible at http://tinyurl.com/WellerAirMonitor.
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