Overview
Howard County Near Road is an air monitoring station in North Laurel, Maryland, operated by the Maryland Department of the Environment as part of the US EPA NEAR ROAD network, monitoring traffic-related air pollution.
Howard County Near Road is an air monitoring station located at the Interstate 95 South Welcome Center in North Laurel, Maryland, United States. It is part of the US EPA's Near-Road (NEAR ROAD) monitoring network, which focuses on measuring air quality in proximity to major highways to assess traffic-related pollution impacts. The station is operated by the Maryland Department of the Environment and is currently operational. The station operates under the US EPA's Air Quality System (AQS) regulatory framework, which sets standards for criteria pollutants such as ozone, particulate matter, carbon monoxide, nitrogen dioxide, and sulfur dioxide. As a near-road site, it is strategically sited to capture pollutant gradients from vehicle emissions, providing data on exposure levels for nearby communities. The network uses continuous monitoring instruments to report real-time or near-real-time air quality data. This monitoring station plays a key role in supporting air quality management in the Baltimore-Washington metropolitan area, where traffic congestion is a significant source of emissions. Data from this station helps inform regulatory decisions, public health advisories, and transportation planning. Its location along I-95, a major East Coast corridor, makes it particularly valuable for understanding regional air quality trends and the effectiveness of emission control policies.
Environmental context
The station's location along Interstate 95, a heavily traveled highway, makes it critical for assessing traffic-related air pollution in a suburban area near Washington, D.C. It monitors criteria pollutants such as nitrogen dioxide and particulate matter, which are linked to respiratory and cardiovascular health effects. The data supports the US EPA's National Ambient Air Quality Standards (NAAQS) compliance and helps evaluate the impact of vehicle emission controls in the region.
Frequently asked questions
The station is located at the Interstate 95 South Welcome Center in North Laurel, Maryland, United States.
It monitors traffic-related air pollutants such as nitrogen dioxide, particulate matter, and carbon monoxide as part of the EPA's Near-Road network.
The station is operated by the Maryland Department of the Environment under the US EPA's Air Quality System.
The NEAR ROAD network measures air quality near major highways to assess exposure to vehicle emissions and support regulatory compliance with National Ambient Air Quality Standards.
Data from this station helps the Maryland Department of the Environment evaluate pollution trends, issue health advisories, and develop strategies to reduce traffic-related emissions.
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