Overview
Union Cross is an operational air monitoring station in Winston-Salem, North Carolina, operated by the Forsyth County Environmental Affairs Department. It contributes to local ambient air quality surveillance under the US EPA framework.
Union Cross is an air monitoring station located at 3656 Piedmont Memorial Drive in Winston-Salem, Forsyth County, North Carolina, United States. The station is part of the local environmental monitoring network managed by the Forsyth County Environmental Affairs Department and supports regional air quality assessment. As a fixed-site ambient air monitor, Union Cross likely measures criteria pollutants such as ozone, particulate matter, or nitrogen dioxide in accordance with US EPA National Ambient Air Quality Standards (NAAQS). The station's siting follows EPA guidelines for representativeness, ensuring data reflects population exposure in the Winston-Salem urban area. Reporting is integrated into the EPA Air Quality System (AQS). The station plays a key role in tracking air quality trends in the Piedmont Triad region, supporting public health advisories and regulatory compliance. Continuous operation helps maintain long-term datasets essential for evaluating emission control strategies and understanding local pollution patterns.
Environmental context
The station is situated in a mixed urban-suburban area of Winston-Salem, where air quality is influenced by transportation emissions, industrial activity, and regional meteorology. Monitoring criteria pollutants here helps assess compliance with EPA standards and informs local air quality management. The station's location provides representative data for population exposure in the central Piedmont region of North Carolina.
Frequently asked questions
The Union Cross air monitoring station is located at 3656 Piedmont Memorial Drive in Winston-Salem, Forsyth County, North Carolina, United States.
As an ambient air monitoring station, Union Cross typically measures criteria pollutants such as ozone, particulate matter (PM2.5 and PM10), nitrogen dioxide, sulfur dioxide, and carbon monoxide, in accordance with US EPA National Ambient Air Quality Standards.
The station is operated by the Forsyth County Environmental Affairs Department, which manages local air quality monitoring and reporting.
Air monitoring in North Carolina operates under the US EPA's National Ambient Air Quality Standards (NAAQS) and the Clean Air Act. Data is reported to the EPA Air Quality System (AQS) and used for state implementation plans and public health advisories.
The station provides continuous data on pollutant levels, helping to track compliance with air quality standards, issue health advisories, and inform emission reduction strategies in the Winston-Salem area.
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