Overview
Flint Hills Refinery 423 is an air monitoring station in Rosemount, Minnesota, operated under the Minnesota Pollution Control Agency. It provides ambient air quality data for the region.
Flint Hills Refinery 423 is an air monitoring station located at 2142 120th Street East in Rosemount, Minnesota, within Dakota County. The station is part of the United States' ambient air quality monitoring network, which operates under the U.S. EPA's Air Quality System (AQS) framework. As a stationary monitoring site, it contributes to the assessment of criteria pollutants and other atmospheric parameters in the Minneapolis-Saint Paul metropolitan area. The station is operated by the Minnesota Pollution Control Agency, Division of Air Quality, and reported its last sample date as June 30, 2025. While specific parameters measured are not detailed, typical air monitoring stations in Minnesota track pollutants such as ozone, particulate matter (PM2.5 and PM10), nitrogen dioxide, sulfur dioxide, carbon monoxide, and lead, in compliance with the National Ambient Air Quality Standards (NAAQS). The station's location near a refinery suggests a focus on industrial emissions monitoring. Environmental monitoring in this region supports public health protection and regulatory compliance. The data collected helps inform air quality forecasts, health advisories, and long-term trend analysis. The station's proximity to the Mississippi River and urban areas underscores its role in assessing both local and regional air quality impacts.
Environmental context
The Flint Hills Refinery 423 monitoring station is situated in an area with a mix of industrial, agricultural, and urban influences. Rosemount lies within the Mississippi River Valley, where meteorological conditions can trap pollutants. The station's siting is representative of industrial source impacts, complementing the broader Minnesota air monitoring network. Parameter coverage typically includes criteria pollutants and may extend to speciation or meteorological measurements, depending on network objectives. Reporting continuity is maintained through the Minnesota Pollution Control Agency's quality assurance protocols.
Frequently asked questions
Flint Hills Refinery 423 is located at 2142 120th Street East in Rosemount, Minnesota, within Dakota County, United States.
As an air monitoring station, it measures ambient air pollutants such as ozone, particulate matter, nitrogen dioxide, sulfur dioxide, carbon monoxide, and lead, in compliance with U.S. EPA standards.
The station is operated by the Minnesota Pollution Control Agency, Division of Air Quality, which oversees air quality monitoring across the state.
The station operates under the U.S. EPA's Air Quality System (AQS) and complies with the National Ambient Air Quality Standards (NAAQS) established by the Clean Air Act.
It provides critical data for assessing industrial emissions impacts, supporting air quality forecasts, health advisories, and long-term trend analysis in the Minneapolis-Saint Paul region.
Other Air Monitoring Station plants in United States · 6 nearby