Overview
TRINITY ST MARKS - Gordy Howe International Bridge (GHIB) is an air monitoring station in Detroit, Michigan, operated by the Michigan Department of Environment, Great Lakes, and Energy-Air Quality Division. It provides ambient air quality data as par
TRINITY ST MARKS - Gordy Howe International Bridge (GHIB) is an air monitoring station located at 9191 W Fort St in Detroit, Michigan, United States. It is part of the state's ambient air quality monitoring network, overseen by the Michigan Department of Environment, Great Lakes, and Energy-Air Quality Division. The station is operational and contributes to the US EPA's Air Quality System (AQS), which tracks criteria pollutants and other parameters nationwide. The station operates under the regulatory framework of the US Clean Air Act and EPA monitoring requirements. Typical air monitoring stations in Michigan measure pollutants such as ozone, particulate matter (PM2.5 and PM10), nitrogen dioxide, sulfur dioxide, carbon monoxide, and lead. The station's location near the Gordy Howe International Bridge, a major border crossing, allows it to capture emissions from transportation and industrial sources in the Detroit-Windsor area. As part of the Michigan air monitoring network, this station supports public health protection by providing data used for air quality index (AQI) reporting and regulatory compliance. The data helps inform local and regional air quality management strategies, particularly in an urban-industrial corridor with significant traffic and industrial activity.
Environmental context
The Detroit-Windsor region is a major industrial and transportation hub, with heavy traffic from the Gordy Howe International Bridge and nearby industrial facilities. Air monitoring in this area focuses on criteria pollutants such as PM2.5, ozone, and nitrogen dioxide, which are influenced by vehicle emissions and industrial processes. The station's siting is representative of urban roadside conditions, providing data critical for assessing population exposure and compliance with National Ambient Air Quality Standards (NAAQS).
Frequently asked questions
The station is located at 9191 W Fort St in Detroit, Michigan, near the Gordy Howe International Bridge border crossing.
As part of the Michigan EGLE network, the station typically measures criteria pollutants such as ozone, PM2.5, PM10, nitrogen dioxide, sulfur dioxide, carbon monoxide, and lead, though specific parameters may vary.
The station is operated by the Michigan Department of Environment, Great Lakes, and Energy (EGLE) - Air Quality Division.
Air monitoring in the US is governed by the Clean Air Act and implemented through the EPA's Air Quality System (AQS), which sets standards for criteria pollutants and monitoring methods.
The bridge is a major international crossing with heavy traffic, so monitoring helps assess air quality impacts from transportation emissions and supports public health protection in the Detroit-Windsor area.
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