Flint Hills Refinery 441 Air Monitoring Station, Rosemount, Minnesota

Flint Hills Refinery 441 is an operational air monitoring station located at 12555 Clayton Ave in Rosemount, Dakota County, Minnesota, United States. As part of the state's ambient air quality network, it contributes to the monitoring of criteria pollutants and other atmospheric parameters. The station is operated under the oversight of the Minnesota Pollution Control Agency, Division of Air Quality, which coordinates with the US EPA's Air Quality System (AQS) network. This regulatory framework ensures standardized monitoring methods and data reporting, supporting compliance with National Ambient Air Quality Standards (NAAQS). Located near an industrial refinery, the station provides critical data on local air quality, helping to assess the impact of industrial emissions and inform public health advisories. Its continuous operation supports long-term trend analysis and regulatory decision-making in the region.

The station's location in Rosemount, near the Flint Hills Refinery, places it in an area with potential industrial emissions. Monitoring focuses on criteria pollutants such as PM2.5, ozone, and sulfur dioxide, which are regulated under the Clean Air Act. The data collected helps evaluate the effectiveness of emission controls and supports the state's air quality management plans.