Miami East HS Air Monitoring Station, Casstown, Ohio - Environmental Monitoring

Miami East HS is an air monitoring station located at 3825 North S.R. 589 in Casstown, Ohio, within Miami County. The station is operational and reports to the Dayton Regional Air Pollution Control Agency, which oversees ambient air quality monitoring in the region. As part of the broader US EPA Air Quality System (AQS) network, this station plays a role in tracking criteria pollutants and supporting compliance with National Ambient Air Quality Standards (NAAQS). The station's last reported sample date is September 30, 2025, indicating ongoing data collection. While specific parameters measured are not detailed, typical stations in this network monitor ozone, particulate matter (PM2.5 and PM10), nitrogen dioxide, sulfur dioxide, carbon monoxide, and lead. The station's siting in a rural area of Ohio provides representative background air quality data, complementing urban monitors in nearby Dayton. Environmental monitoring in Ohio is critical due to the state's industrial history and contributions to regional ozone and particulate matter. Stations like Miami East HS help assess long-term trends and inform public health advisories. The data supports regulatory compliance under the Clean Air Act and contributes to the national understanding of air quality patterns.

The Miami East HS station is situated in a rural area of western Ohio, where agricultural activities and regional transport of pollutants from urban and industrial centers influence air quality. Monitoring in this context helps differentiate local sources from background levels, which is essential for effective air quality management. The station's location supports the representativeness of the AQS network by providing data from a less urbanized setting.