Overview
ST. LOUIS - MIDWEST SUPERSITE is an operational air monitoring station in Saint Clair County, Illinois, managed by Washington University in St. Louis. It contributes to the US EPA Air Quality System network.
ST. LOUIS - MIDWEST SUPERSITE is an air monitoring station located at 13th & Tudor in Saint Clair County, Illinois, near St. Louis. Operated by Washington University in St. Louis, this facility is part of the US EPA Air Quality System (AQS) network, which monitors criteria pollutants and other atmospheric parameters to assess regional air quality. The station operates under the US EPA's regulatory framework, including the National Ambient Air Quality Standards (NAAQS). As a supersite, it likely measures a comprehensive suite of pollutants such as PM2.5, ozone, nitrogen oxides, and sulfur dioxide, along with meteorological parameters. Such sites are designed to provide high-quality data for research and regulatory compliance. This monitoring station serves the St. Louis metropolitan area, supporting public health and environmental policy. Its data helps track air quality trends, inform emission reduction strategies, and ensure compliance with federal standards. The station's location in an urban-industrial context makes it valuable for understanding local pollution sources and population exposure.
Environmental context
The St. Louis region has a history of industrial activity and urban emissions, making air quality monitoring critical. The Midwest Supersite likely focuses on particulate matter and ozone, which are key concerns in the area. Its siting near roadways and industrial zones provides representative data for population exposure assessment. The station's reporting to the EPA AQS ensures data comparability and regulatory relevance.
Frequently asked questions
The station is located at 13th & Tudor in Saint Clair County, Illinois, near St. Louis, United States.
As an air monitoring supersite, it likely measures criteria pollutants such as PM2.5, ozone, nitrogen oxides, and sulfur dioxide, along with meteorological parameters.
The station is operated by Washington University in St. Louis.
The station operates under the US EPA's Air Quality System (AQS) and complies with the National Ambient Air Quality Standards (NAAQS) set by the Clean Air Act.
The St. Louis area has significant industrial and urban emissions, making air monitoring essential for public health protection, regulatory compliance, and understanding pollution trends.
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