Overview
La Grande - N. ASH St is an operational air monitoring station in La Grande, Oregon, operated by the Oregon Department of Environmental Quality. It contributes to the US EPA Air Quality System (AQS) network.
La Grande - N. ASH St is an air monitoring station located at 2801 N. ASH St in La Grande, Oregon, United States. The facility is part of the Oregon Department of Environmental Quality's monitoring network and supports the US EPA Air Quality System (AQS) by providing ambient air quality data. The station operates under the regulatory framework of the US Clean Air Act and EPA ambient air quality standards. As a fixed-site monitor, it typically measures criteria pollutants such as ozone, particulate matter, carbon monoxide, sulfur dioxide, and nitrogen dioxide, depending on the specific monitoring objectives for the region. Located in Union County, the station serves the La Grande area, a community in northeastern Oregon. The data collected helps assess local air quality, support public health advisories, and inform state implementation plans for maintaining National Ambient Air Quality Standards (NAAQS).
Environmental context
The La Grande area is situated in the Grande Ronde Valley, surrounded by the Blue Mountains. Local air quality can be influenced by agricultural activities, wood burning, and seasonal wildfires. The monitoring station provides critical data on criteria pollutants to evaluate compliance with EPA standards and to protect public health in this semi-rural region.
Frequently asked questions
The station is located at 2801 N. ASH St in La Grande, Oregon, United States.
As part of the Oregon DEQ network, the station typically measures criteria pollutants such as ozone, particulate matter, carbon monoxide, sulfur dioxide, and nitrogen dioxide to assess ambient air quality.
The station is operated by the Oregon Department of Environmental Quality (DEQ).
Air monitoring stations in the US operate under the Clean Air Act and are part of the EPA Air Quality System (AQS) network, which sets National Ambient Air Quality Standards (NAAQS) for criteria pollutants.
Air monitoring in La Grande helps track local air quality affected by agriculture, wood burning, and wildfires, ensuring compliance with health-based standards and informing public health decisions.
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