Overview
Sterling Heights Freedom Hill is an operational air monitoring station in Sterling Heights, Michigan, part of the Michigan Department of Environment, Great Lakes, and Energy's Air Quality Division network. It provides ambient air quality data for the
Sterling Heights Freedom Hill is an air monitoring station located at 15000 Metropolitan Parkway in Sterling Heights, Michigan, within Macomb County. Operated by the Michigan Department of Environment, Great Lakes, and Energy (EGLE) Air Quality Division, this station is part of the state's ambient air monitoring network, which supports compliance with the U.S. Clean Air Act and National Ambient Air Quality Standards (NAAQS). The station's location in a suburban setting provides representative data for population exposure and regional air quality assessment. The station operates under the regulatory framework of the U.S. Environmental Protection Agency (EPA) Air Quality System (AQS), which mandates monitoring of criteria pollutants such as ozone, particulate matter (PM2.5 and PM10), nitrogen dioxide, sulfur dioxide, carbon monoxide, and lead. While specific parameters measured at this site are not detailed, typical stations in the Michigan network include continuous analyzers for ozone and PM2.5, as well as meteorological sensors. The station's last reported sample date is June 30, 2025, indicating ongoing data collection and reporting. As part of the Detroit-Warren-Dearborn metropolitan statistical area, this monitoring station contributes to understanding air quality trends in a region with significant industrial activity and transportation emissions. Data from this station supports public health advisories, regulatory compliance, and research on air pollution impacts. The station's long-term operation ensures continuity in tracking air quality improvements and identifying emerging issues.
Environmental context
The Sterling Heights Freedom Hill station monitors ambient air quality in a suburban area of Macomb County, part of the larger Detroit metropolitan region. This area experiences air quality challenges from industrial emissions, vehicle traffic, and regional transport of pollutants. The station's siting is representative of population exposure, and its data helps assess compliance with NAAQS. Parameter coverage typically includes criteria pollutants and meteorological parameters, though speciation or toxics monitoring may be limited. Reporting continuity is maintained through the Michigan EGLE network, which submits data to the EPA AQS.
Frequently asked questions
Sterling Heights Freedom Hill is located at 15000 Metropolitan Parkway in Sterling Heights, Michigan, within Macomb County, United States.
The station is operated by the Michigan Department of Environment, Great Lakes, and Energy (EGLE) Air Quality Division, which manages the state's ambient air monitoring network.
Typical stations in the Michigan network monitor criteria pollutants such as ozone, particulate matter (PM2.5 and PM10), nitrogen dioxide, sulfur dioxide, carbon monoxide, and lead, as required by the U.S. EPA.
The station provides data to the U.S. EPA's Air Quality System (AQS) to assess compliance with National Ambient Air Quality Standards (NAAQS) and inform public health advisories.
Sterling Heights is part of the Detroit metropolitan area, which has industrial and transportation-related air quality challenges. Monitoring helps track pollution trends and supports regulatory and public health decisions.
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