Overview
Portland - Water Bureau West (PWB2) is an operational air monitoring station in Portland, Oregon, reporting to the Oregon Department of Environmental Quality. It contributes to the US EPA Air Quality System network.
Portland - Water Bureau West (PWB2) is an air monitoring station located at 664 N Tillamook Street in Portland, Multnomah County, Oregon. Operated under the reporting agency Oregon Department of Environmental Quality, this station is part of the broader US EPA Air Quality System (AQS) network, which monitors criteria pollutants and other atmospheric parameters across the United States. The station operates within the regulatory framework of the Clean Air Act and EPA ambient air quality standards. As an urban monitoring site in Portland, it likely measures pollutants such as PM2.5, PM10, ozone, nitrogen dioxide, sulfur dioxide, and carbon monoxide, providing data for compliance and public health assessments. The station's siting in a residential area ensures representative sampling of population exposure. Portland's air quality is influenced by industrial activities, transportation, and geographic factors like the Columbia River Gorge. Data from PWB2 supports local air quality management, health advisories, and regional planning. The station's continuous operation contributes to long-term trend analysis and regulatory compliance for the Portland metropolitan area.
Environmental context
Portland's air quality is shaped by a mix of urban emissions, including vehicle traffic, industrial sources, and wood smoke from residential heating. The city's location in the Willamette Valley can lead to temperature inversions that trap pollutants. Monitoring stations like PWB2 provide critical data on criteria pollutants and meteorological parameters, supporting compliance with National Ambient Air Quality Standards (NAAQS) and informing public health advisories during wildfire events or inversion episodes.
Frequently asked questions
The station is located at 664 N Tillamook Street in Portland, Multnomah County, Oregon, United States.
As part of the EPA Air Quality System, it likely measures criteria pollutants such as PM2.5, PM10, ozone, nitrogen dioxide, sulfur dioxide, and carbon monoxide, along with meteorological parameters.
The station is operated under the reporting agency Oregon Department of Environmental Quality (DEQ), which manages air quality monitoring across the state.
Air monitoring stations in the US operate under the Clean Air Act and are part of the EPA's Air Quality System (AQS) network, which sets National Ambient Air Quality Standards (NAAQS) for criteria pollutants.
The station provides continuous data on pollutant levels, supporting compliance monitoring, public health advisories, and trend analysis for the Portland metropolitan area.
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