Overview
Portland - North Roselawnr (PNR) is an air monitoring station in Portland, Oregon, operated by the Oregon Department of Environmental Quality. It provides ambient air quality data for the region.
Portland - North Roselawnr (PNR) is an air monitoring station located at 121 N Roselawn Street in Portland, Multnomah County, Oregon. It is part of the US EPA Air Quality System (AQS) monitoring network and is operated by the Oregon Department of Environmental Quality. The station contributes to the national ambient air quality monitoring program, tracking criteria pollutants and other parameters to assess air quality in the Portland metropolitan area. The station operates under the regulatory framework of the US Clean Air Act and the EPA's AQS network. Typical air monitoring stations in the United States measure pollutants such as ozone, particulate matter (PM2.5 and PM10), carbon monoxide, sulfur dioxide, and nitrogen dioxide. The Oregon Department of Environmental Quality ensures that the station follows standard operating procedures for siting, calibration, and data reporting to maintain data quality and representativeness. Portland - North Roselawnr (PNR) plays a key role in monitoring air quality in a densely populated urban area with industrial and transportation emissions. The data collected supports public health advisories, regulatory compliance, and air quality management decisions. This station helps characterize local air pollution patterns and contributes to regional and national air quality assessments.
Environmental context
Portland, Oregon, experiences a mix of air pollution sources including vehicle emissions, industrial activities, and wood smoke from residential heating. The North Roselawnr station is situated in a residential area near major roadways, providing representative data for population exposure. Monitoring criteria pollutants and meteorological parameters helps track compliance with National Ambient Air Quality Standards (NAAQS) and supports health-based air quality index reporting.
Frequently asked questions
The station is located at 121 N Roselawn Street in Portland, Multnomah County, Oregon, United States.
As part of the EPA AQS network, it typically measures criteria pollutants such as ozone, particulate matter, carbon monoxide, sulfur dioxide, and nitrogen dioxide, along with meteorological parameters.
The station is operated by the Oregon Department of Environmental Quality (DEQ), which is responsible for air quality monitoring in 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 standards for siting, equipment, and data reporting to ensure consistency and reliability.
Portland's air quality is affected by vehicle emissions, industrial sources, and wood smoke. Monitoring helps track compliance with National Ambient Air Quality Standards (NAAQS) and provides data for public health advisories and air quality management.
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