Overview
Portland - Water Bureau East (PWB1) is an operational air monitoring station in Portland, Oregon, operated under the Oregon Department of Environmental Quality. It contributes to the US EPA Air Quality System network for criteria pollutant monitoring
Portland - Water Bureau East (PWB1) is an air monitoring station located at 664 N Tillamook St in Portland, Multnomah County, Oregon, United States. The facility is operational and reports to the Oregon Department of Environmental Quality, forming part of the national ambient air quality monitoring network. As part of the US EPA Air Quality System (AQS), this station likely measures criteria pollutants such as ozone, particulate matter, carbon monoxide, sulfur dioxide, and nitrogen dioxide, in accordance with the Clean Air Act. The station's urban siting in Portland provides representative data for population exposure assessment and regulatory compliance. The station supports local and regional air quality management, helping to track trends, issue health advisories, and evaluate emission reduction strategies. Its data contributes to the State Implementation Plan for attaining National Ambient Air Quality Standards (NAAQS) in the Portland area.
Environmental context
Portland's air quality is influenced by urban emissions, industrial activity, and geographic factors like the Columbia River Gorge. The PWB1 station's location in a mixed residential-commercial area helps characterize typical urban exposure. Monitoring focuses on criteria pollutants, with potential for speciation and meteorological parameters to support source apportionment and health studies.
Frequently asked questions
The station is located at 664 N Tillamook St, Portland, Multnomah County, Oregon, United States.
As part of the US EPA AQS network, it likely measures criteria pollutants including ozone, PM2.5, PM10, carbon monoxide, sulfur dioxide, and nitrogen oxides.
The station is operated under the Oregon Department of Environmental Quality, which reports data to the US EPA Air Quality System.
Air monitoring in the US is governed by the Clean Air Act and implemented through the EPA's Air Quality System (AQS), which sets standards for criteria pollutants and monitoring methods.
The station provides continuous data for assessing compliance with National Ambient Air Quality Standards, issuing health advisories, and evaluating the effectiveness of emission reduction programs in the Portland area.
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