Corvallis - Park and Goodnight Avenues (CPG) Air Monitoring Station, Corvallis, Oregon

Corvallis - Park and Goodnight Avenues (CPG) is an air monitoring station located at 1326 SE Park Avenue in Corvallis, Benton County, Oregon, United States. Operated by the Oregon Department of Environmental Quality, this station is part of the national ambient air quality monitoring network under the US EPA Air Quality System (AQS). It serves the Corvallis urban area, providing data on criteria pollutants to assess compliance with National Ambient Air Quality Standards (NAAQS). The station's last reported sample date is December 1, 2022, indicating ongoing data collection. As a fixed-site monitor, it typically measures pollutants such as ozone, particulate matter (PM2.5 and PM10), nitrogen dioxide, sulfur dioxide, carbon monoxide, and lead, depending on its specific instrumentation. The Oregon DEQ follows EPA-approved methods for sampling and quality assurance, ensuring data representativeness for population exposure assessment. Environmental monitoring in Corvallis supports public health protection and regulatory compliance in the Willamette Valley, an area with occasional air quality challenges from wood smoke, wildfires, and transportation emissions. The CPG station's data contributes to regional air quality trends, state implementation plans, and public advisories, playing a key role in the community's environmental management.

Corvallis is located in the Willamette Valley, where air quality can be affected by seasonal inversions, wildfire smoke, and agricultural activities. The CPG station's siting in a residential area provides representative data for population exposure. Monitoring criteria pollutants like PM2.5 and ozone is critical for assessing compliance with NAAQS and informing public health actions. The station's long-term operation supports trend analysis and regulatory reporting under the Clean Air Act.