Grants Pass - 11th & K Streets (GPK) Air Monitoring Station, Grants Pass, Oregon

Grants Pass - 11th & K Streets (GPK) is an air monitoring station located at the intersection of SE 11th and SE K Streets in Grants Pass, Josephine County, Oregon. This station is part of the Oregon Department of Environmental Quality's monitoring network and operates under the US EPA's Air Quality System (AQS) framework, which sets standards for criteria pollutants and other air quality parameters. The station's reporting agency is the Oregon Department of Environmental Quality, which manages a network of monitors across the state to assess compliance with National Ambient Air Quality Standards (NAAQS). Typical parameters measured at such stations include ozone, particulate matter (PM2.5 and PM10), carbon monoxide, sulfur dioxide, and nitrogen dioxide, though specific parameters for this site are not detailed. The station's location in an urban intersection provides representative data for population exposure. Grants Pass is situated in the Rogue Valley, an area known for occasional air quality challenges due to wildfires and woodstove use. The GPK station plays a key role in monitoring these impacts and informing public health advisories. Its data supports local and state air quality management efforts, contributing to the broader national network that tracks trends and ensures regulatory compliance.

The GPK station is located in Grants Pass, Oregon, within the Rogue Valley, where air quality can be affected by seasonal wildfires, agricultural burning, and residential wood heating. The station's urban siting provides representative monitoring of population exposure to criteria pollutants. As part of the Oregon DEQ network, it supports compliance with the US EPA's National Ambient Air Quality Standards (NAAQS) and contributes to the national Air Quality System (AQS) database for trend analysis and regulatory reporting.