
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.Open full document
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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.