Overview
Hermiston - Municipal Airport (HMA) is an operational air monitoring station in Hermiston, Oregon, managed by the Oregon Department of Environmental Quality. It provides ambient air quality data as part of the US EPA AQS network.
Hermiston - Municipal Airport (HMA) is an air monitoring station located at 1600 Airport Way in Hermiston, Oregon, within Umatilla County. Operated by the Oregon Department of Environmental Quality, this station contributes to the United States Environmental Protection Agency's Air Quality System (AQS) network, which monitors criteria pollutants and other atmospheric parameters nationwide. The station operates under the regulatory framework of the Clean Air Act and EPA ambient air quality standards. As part of Oregon's state monitoring network, it typically measures pollutants such as ozone, particulate matter, and nitrogen dioxide, supporting compliance with National Ambient Air Quality Standards (NAAQS). The station's location near a municipal airport allows for representative sampling of urban and transportation-related emissions. Environmental monitoring at this site helps assess air quality impacts on the Hermiston community and surrounding agricultural areas. Data from HMA supports public health advisories, regulatory compliance, and long-term trend analysis. The station's continuous operation ensures reliable reporting for local and regional air quality management.
Environmental context
Hermiston is located in the Columbia River Plateau, an agricultural region with dry summers and cold winters. Air quality can be influenced by agricultural activities, wildfires, and transportation emissions from Interstate 84 and the local airport. Monitoring at this station helps track criteria pollutants and supports Oregon's State Implementation Plan for attaining NAAQS. The site's representativeness is enhanced by its placement near both urban and industrial sources.
Frequently asked questions
The station is located at 1600 Airport Way in Hermiston, Oregon, within Umatilla County, United States.
As part of the EPA AQS network, the station typically measures criteria pollutants such as ozone, particulate matter, and nitrogen dioxide to assess ambient air quality.
The station is operated by the Oregon Department of Environmental Quality (DEQ), which manages air quality monitoring across the state.
Air monitoring stations like HMA operate under the Clean Air Act and EPA regulations, including National Ambient Air Quality Standards (NAAQS) and the Air Quality System (AQS) network.
Hermiston's air quality can be affected by agricultural activities, wildfires, and transportation emissions. Monitoring helps protect public health and supports compliance with federal air quality standards.
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