Sinclair Air Monitoring Station, Dayton, Ohio | United States Environmental Monitoring

Sinclair is an air monitoring station located at 113 Saint Mary Street in Dayton, Montgomery County, Ohio, United States. It is part of the national ambient air quality monitoring network overseen by the US Environmental Protection Agency (EPA) and operated by the Ohio EPA Central Office. The station contributes to the Air Quality System (AQS), which collects data on criteria pollutants and other parameters to assess compliance with National Ambient Air Quality Standards (NAAQS). As an air monitoring station, Sinclair measures concentrations of pollutants such as ozone, particulate matter, carbon monoxide, sulfur dioxide, nitrogen dioxide, and lead, depending on its specific instrumentation. The station's siting follows EPA guidelines to ensure representativeness of local air quality. The last reported sample date is August 18, 2023, indicating recent operational activity. The station is part of a broader network that supports regulatory compliance, public health advisories, and air quality management in the Dayton metropolitan area. Environmental monitoring stations like Sinclair play a critical role in tracking air pollution trends and informing policy decisions. The data collected helps identify pollution sources, evaluate the effectiveness of emission reduction strategies, and provide the public with real-time air quality information. In the context of Ohio's industrial and urban landscape, Sinclair's measurements contribute to understanding regional air quality dynamics and protecting community health.

Sinclair operates within the regulatory framework of the US Clean Air Act, which mandates monitoring of criteria pollutants through the EPA's Air Quality System (AQS). The station's location in Dayton, an urban area with industrial and transportation emissions, makes it representative of mixed-source exposure. Parameter coverage typically includes ozone, PM2.5, and other pollutants, though specific instrumentation may vary. Siting representativeness is critical for capturing local air quality variations, and reporting continuity ensures trend analysis for regulatory compliance and public health protection.