Ohio Bell Air Monitoring Station, Middletown, Ohio | Environmental Monitoring Facility

Ohio Bell is an air monitoring station located at 3901 Lefferson in Middletown, Butler County, Ohio. Operated by the Hamilton County Department of Environmental Services, the 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 operates under the regulatory framework of the Clean Air Act and EPA ambient air quality standards. While specific parameters measured are not detailed, typical air monitoring stations in Ohio track pollutants such as ozone, particulate matter (PM2.5 and PM10), nitrogen dioxide, sulfur dioxide, carbon monoxide, and lead. The last reported sample date is June 30, 2023, indicating recent operational activity. Ohio Bell serves the Middletown community by providing essential air quality data that supports public health assessments and regulatory compliance. Its location in an industrial and residential area helps characterize local pollution patterns, contributing to regional air quality management and informing emission reduction strategies.

Middletown is situated in southwestern Ohio, an area with a mix of industrial, agricultural, and urban influences. Air monitoring in this region is critical due to potential emissions from manufacturing, transportation, and power generation. The station's data helps assess compliance with National Ambient Air Quality Standards (NAAQS) and supports health advisories. Parameter coverage typically includes criteria pollutants, with siting designed to represent population exposure and background conditions.