Evansville Oak Hill Air Monitoring Station, Evansville, Indiana | USA Environmental Monitoring

Evansville Oak Hill is an air monitoring station located at 1400 E. Virginia Street in Evansville, Indiana. Operated by the Indiana Department of Environmental Management's Office of Air Quality, this station is part of the broader US EPA Air Quality System (AQS) network, which monitors criteria pollutants and other atmospheric parameters across the United States. The station's last reported sample date is September 28, 2025, indicating ongoing data collection. The station operates under the regulatory framework of the Clean Air Act and EPA ambient air quality standards. As a monitoring site in the Ohio River Valley region, it likely measures pollutants such as ozone, particulate matter (PM2.5 and PM10), nitrogen dioxide, and sulfur dioxide, which are common in areas with industrial and transportation emissions. The station's location in a residential area provides representative data for population exposure assessment. Environmental monitoring in Evansville supports local air quality management and public health protection. The data collected helps inform regulatory compliance, health advisories, and long-term trend analysis. This station contributes to the national network that tracks progress toward meeting National Ambient Air Quality Standards (NAAQS) and supports research on air pollution impacts in the Midwest.

Evansville is situated in the Ohio River Valley, a region with a mix of industrial, agricultural, and urban sources of air pollution. The area is subject to ozone and particulate matter challenges, particularly during summer months. Monitoring stations like Evansville Oak Hill are critical for assessing compliance with EPA standards and providing data for health studies. The station's siting in a residential area ensures representative sampling of population exposure, while its operation by a state agency ensures continuity and quality assurance under the AQS framework.