Overview
Grand Portage Band air monitoring station in Cook County, Minnesota, operated by the Minnesota Pollution Control Agency, provides ambient air quality data for the Grand Portage area.
The Grand Portage Band air monitoring station is located at 27 Store Rd. in Cook County, Minnesota, within the Grand Portage Indian Reservation. This operational station is part of the broader air quality monitoring network managed by the Minnesota Pollution Control Agency, Division of Air Quality. It contributes to the US EPA's Air Quality System (AQS) by measuring criteria pollutants and supporting regional air quality assessments. The station operates under the regulatory framework of the Clean Air Act and the National Ambient Air Quality Standards (NAAQS). As part of the Minnesota network, it likely monitors pollutants such as PM2.5, ozone, or sulfur dioxide, though specific parameters are not detailed. The last reported sample date is December 31, 2023, indicating recent activity. Typical air monitoring stations in this region use federal reference methods or equivalent technologies to ensure data comparability. Located in a rural area near Lake Superior, this station provides valuable baseline data for a region with minimal industrial emissions, helping to distinguish local from transported pollution. Its data supports public health advisories and informs state implementation plans for air quality. The station's role is critical for monitoring air quality in tribal lands and remote areas, contributing to the national network's spatial coverage.
Environmental context
The Grand Portage Band station is situated in a remote, forested region of northeastern Minnesota near the Canadian border. The area experiences clean air influenced by Lake Superior and boreal forests, making it an ideal location for background monitoring. The station's data helps assess long-range transport of pollutants from industrial regions and provides a baseline for comparing urban air quality. Parameter coverage typically includes criteria pollutants and meteorological parameters, though specific measurements are not confirmed.
Frequently asked questions
The station is located at 27 Store Rd. in Cook County, Minnesota, within the Grand Portage Indian Reservation near Lake Superior.
The station is operated by the Minnesota Pollution Control Agency, Division of Air Quality, as part of the state's ambient air monitoring network.
Typical air monitoring stations in Minnesota measure criteria pollutants such as PM2.5, ozone, and nitrogen dioxide under the EPA's AQS network.
The station provides data for the EPA's Air Quality System, supporting compliance with National Ambient Air Quality Standards and informing state implementation plans for air quality management.
Remote stations provide baseline data on background air quality, helping to distinguish local emissions from transported pollution and assess regional air quality trends.
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