Cincinnati Near Road Air Monitoring Station | Cincinnati, Ohio

Cincinnati Near Road is an air monitoring station located at 3428 Colerain Ave in Cincinnati, Ohio, United States. Operated by the Hamilton County Department of Environmental Services, this station is part of the NEAR ROAD network, which focuses on monitoring air quality near major roadways to assess traffic-related pollution. The station operates under the regulatory framework of the US EPA Air Quality System (AQS), which sets standards for criteria pollutants such as ozone, particulate matter, carbon monoxide, nitrogen dioxide, and sulfur dioxide. As a near-road monitor, it provides critical data on pollutant concentrations in microenvironments where populations are exposed to vehicle emissions. The station is operational and continues to collect samples, with the most recent sample date recorded as September 30, 2025. This monitoring station plays a key role in understanding the impact of traffic emissions on urban air quality in Cincinnati. Data from such stations support regulatory compliance assessments, health studies, and the development of strategies to reduce air pollution. The station's location in a densely populated area enhances its representativeness for exposure assessment.

The Cincinnati Near Road station is situated in an urban environment with significant traffic density, making it representative of roadside exposure. The station monitors criteria pollutants and contributes to the US EPA's AQS network, which supports compliance with National Ambient Air Quality Standards (NAAQS). Its siting near a major road allows for assessment of traffic-related pollution gradients, which is critical for understanding health impacts on nearby communities.