Overview
YPSILANTI TOWNER ST, SOUTH is an operational air monitoring station in Ypsilanti, Michigan, managed by the Michigan Department of Environment, Great Lakes, and Energy. It contributes to the US EPA Air Quality System network.
YPSILANTI TOWNER ST, SOUTH is an air monitoring station located at 555 Towner Street in Ypsilanti, Washtenaw County, Michigan. Operated by the Michigan Department of Environment, Great Lakes, and Energy-Air Quality Division, this station is part of the broader US EPA Air Quality System (AQS) network, which monitors ambient air quality across the United States. The station's last reported sample date is October 31, 2025, indicating recent operational activity. As a fixed-site monitoring station, it typically measures criteria pollutants such as ozone, particulate matter, carbon monoxide, sulfur dioxide, and nitrogen dioxide, in accordance with EPA standards. The station's location in a mixed urban and suburban area of southeastern Michigan allows it to capture air quality data representative of local emissions from transportation, industry, and residential sources. The data collected supports regulatory compliance with the Clean Air Act and informs public health advisories. The station plays a key role in the Michigan Air Monitoring Network, which provides essential data for state and federal air quality management. Its continuous operation helps track long-term trends and episodic pollution events, contributing to the protection of public health and the environment in the Great Lakes region. The information gathered is used by researchers, policymakers, and the public to assess air quality and implement mitigation strategies.
Environmental context
The station's location in Ypsilanti, within the Detroit-Warren-Ann Arbor metropolitan area, places it in a region with diverse air pollution sources, including vehicle traffic, industrial facilities, and power generation. Monitoring at this site helps assess compliance with National Ambient Air Quality Standards (NAAQS) and supports the EPA's AQS network. The data contributes to understanding regional ozone and particulate matter patterns, which are influenced by both local emissions and transported pollutants from upwind areas. This context is critical for evaluating the effectiveness of emission reduction programs and protecting sensitive populations.
Frequently asked questions
The station is located at 555 Towner Street in Ypsilanti, Washtenaw County, Michigan, United States.
As part of the EPA AQS network, the station typically monitors criteria pollutants such as ozone, particulate matter (PM2.5 and PM10), carbon monoxide, sulfur dioxide, and nitrogen dioxide.
The station is operated by the Michigan Department of Environment, Great Lakes, and Energy-Air Quality Division.
Air monitoring stations in the US operate under the Clean Air Act and are part of the EPA's Air Quality System (AQS) network, which sets standards for monitoring methods, quality assurance, and data reporting.
The station provides continuous data on ambient air pollution levels, which is used to assess compliance with National Ambient Air Quality Standards, track trends, and inform public health advisories and emission reduction strategies.
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