Portland SE 45th and SE Harney Dr, Portland

Overview

Portland SE 45th and SE Harney Dr (PFH) is an operational air monitoring station in Portland, Oregon, operated by the Oregon Department of Environmental Quality. It contributes to the US EPA Air Quality System (AQS) network.

Portland SE 45th and SE Harney Dr (PFH) is an air monitoring station located in Portland, Multnomah County, Oregon, United States. The station is part of the national ambient air quality monitoring network, which supports the US EPA Air Quality System (AQS) and helps ensure compliance with the Clean Air Act. It is operated by the Oregon Department of Environmental Quality, a state agency responsible for environmental protection. As an air monitoring station, it typically measures criteria pollutants such as ozone, particulate matter (PM2.5 and PM10), nitrogen dioxide, sulfur dioxide, carbon monoxide, and lead, as well as meteorological parameters. The station's siting follows EPA guidelines to ensure representativeness of local air quality. Data from this station contributes to the national air quality index (AQI) and supports regulatory decisions and public health advisories. The station plays a key role in monitoring air quality in the Portland metropolitan area, which has a mix of urban, industrial, and transportation-related emissions. Continuous data from this station helps track trends, assess compliance with National Ambient Air Quality Standards (NAAQS), and inform community exposure assessments. The Oregon DEQ uses this data to develop air quality management strategies and provide timely information to the public.

Environmental context

The Portland SE 45th and SE Harney Dr station monitors air quality in a densely populated urban area with significant traffic and industrial activity. The station's location is representative of neighborhood-scale exposure, capturing pollutants from local sources such as vehicles, residential heating, and nearby industrial facilities. Continuous monitoring of criteria pollutants and meteorological parameters supports the US EPA's AQS network and helps assess compliance with NAAQS. The data also contributes to regional air quality planning and public health alerts during high pollution events.

Frequently asked questions

The station is located at the intersection of SE 45th Avenue and SE Harney Drive in Portland, Multnomah County, Oregon, United States.

As an air monitoring station, it typically measures criteria pollutants including ozone, particulate matter (PM2.5 and PM10), nitrogen dioxide, sulfur dioxide, carbon monoxide, and lead, along with meteorological parameters.

The station is operated by the Oregon Department of Environmental Quality (DEQ), which is responsible for monitoring air quality and enforcing environmental regulations in Oregon.

The station provides continuous air quality data that is submitted to the US EPA AQS database, which is used to assess compliance with National Ambient Air Quality Standards (NAAQS) and to generate the Air Quality Index (AQI) for public health information.

Air monitoring stations in the US operate under the Clean Air Act and follow EPA guidelines for siting, instrumentation, and data quality assurance. Data is reported to the EPA's Air Quality System (AQS) and used for regulatory compliance and public reporting.