Ridge Air Monitoring Station, Cheshire, Ohio | United States Environmental Monitoring

Ridge is an air monitoring station located at 583 Honeysuckle Drive in Cheshire, Ohio, within Gallia County. Operated by the Ohio EPA Central Office, this facility 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 30, 2025, indicating ongoing data collection. As an air monitoring station, Ridge contributes to the regulatory framework established by the Clean Air Act and the National Ambient Air Quality Standards (NAAQS). The Ohio EPA Central Office oversees the station's operations, ensuring compliance with federal monitoring guidelines. Typical equipment at such stations includes continuous analyzers for ozone, particulate matter (PM2.5 and PM10), nitrogen dioxide, sulfur dioxide, carbon monoxide, and lead, along with meteorological sensors. The station's location in southeastern Ohio places it in a region with a mix of rural and industrial influences, including nearby power generation and manufacturing. Data from Ridge supports local air quality assessments, public health advisories, and state implementation plans for attaining NAAQS. Its continued operation is vital for tracking long-term trends and protecting community health.

The Ridge station monitors ambient air quality in a region characterized by a mix of rural landscapes and industrial activities, including coal-fired power plants and chemical manufacturing. The Ohio EPA's monitoring network focuses on criteria pollutants such as ozone and particulate matter, which are relevant to both local health and regional transport. Siting representativeness is ensured through EPA guidelines, and reporting continuity is maintained by the Ohio EPA Central Office, supporting compliance with the Clean Air Act.