TERRE HAUTE CAAP/McLean High School Air Monitoring Station, Terre Haute, Indiana

TERRE HAUTE CAAP/McLean High School is an air monitoring station located at 961 N. Lafayette Avenue in Terre Haute, Indiana. Operated by the Indiana Department of Environmental Management's Office of Air Quality, this station is part of the US EPA Air Quality System (AQS) network, which monitors criteria pollutants and other atmospheric parameters to assess compliance with National Ambient Air Quality Standards (NAAQS). The station's last reported sample date is October 31, 2025, indicating ongoing data collection. The station operates under the regulatory framework of the Clean Air Act and the Indiana Department of Environmental Management. As part of the AQS network, it contributes to a nationwide database used for air quality management, public health protection, and regulatory compliance. Typical monitoring stations in this network measure pollutants such as ozone, particulate matter (PM2.5 and PM10), carbon monoxide, sulfur dioxide, and nitrogen dioxide, though specific parameters at this site are not detailed. Located in Terre Haute, a city in Vigo County, Indiana, the station supports local and regional air quality monitoring efforts. Its data helps inform public health advisories, regulatory decisions, and environmental research. The station's long-term operation underscores its role in maintaining continuous air quality surveillance in the Midwest region.

The station is situated in Terre Haute, an industrial and urban area in western Indiana. Local air quality may be influenced by emissions from transportation, manufacturing, and energy production. Monitoring at this site helps track pollutant levels and trends, supporting compliance with NAAQS and providing data for health risk assessments. The station's location at a high school allows for representative sampling of community exposure.