Southwick Air Monitoring Station, Louisville, Kentucky | US EPA AQS Network

Southwick is an air monitoring station located at 37th & Southern Avenue in Louisville, Kentucky, United States. It is part of the local air quality monitoring network managed by the Louisville Metro Air Pollution Control District, supporting compliance with the Clean Air Act and National Ambient Air Quality Standards (NAAQS). The station operates under the US EPA Air Quality System (AQS) framework, which sets standards for criteria pollutants such as ozone, particulate matter, carbon monoxide, sulfur dioxide, nitrogen dioxide, and lead. While specific parameters measured at Southwick are not detailed, typical urban monitoring stations in this region track ozone and PM2.5 to assess health impacts and regulatory compliance. As an operational station in Jefferson County, Southwick provides data essential for public health advisories and regional air quality management. Its location in an urban-industrial area helps characterize exposure patterns for the Louisville metropolitan population, supporting both regulatory reporting and community awareness.

Louisville, Kentucky, is situated in the Ohio River Valley, an area with complex air quality challenges due to industrial emissions, vehicle traffic, and meteorological conditions that can trap pollutants. The Southwick station's siting in an urban residential and industrial zone allows it to monitor population exposure to criteria pollutants. Its data contributes to the EPA's AQS network, which informs attainment status and public health interventions.