Overview
SOUTH TUCSON is an operational air monitoring station in South Tucson, Arizona, managed by the Pima County Department of Environmental Quality. It contributes to the US EPA Air Quality System network, tracking criteria pollutants to support public he
SOUTH TUCSON is an air monitoring station located at 1601 S 6th Ave in South Tucson, Arizona, within Pima County. Operated by the Pima County Department of Environmental Quality, this station is part of the broader US EPA Air Quality System (AQS) network, which monitors ambient air quality across the United States. As a fixed-site monitoring station, it plays a key role in assessing local air pollution levels and ensuring compliance with National Ambient Air Quality Standards (NAAQS). The station operates under the regulatory framework of the Clean Air Act, with data reported to the EPA's AQS database. While specific parameters measured are not detailed, typical air monitoring stations in this region track criteria pollutants such as ozone, particulate matter (PM2.5 and PM10), carbon monoxide, sulfur dioxide, and nitrogen dioxide. The station's location in an urban area near transportation corridors suggests a focus on monitoring traffic-related emissions and their impact on community health. Environmental monitoring in South Tucson is critical due to the city's proximity to major highways and industrial activities in the Tucson metropolitan area. Data from this station supports local air quality management, public health advisories, and regulatory enforcement. The station's continuous operation and recent sampling activity (last sample date June 2025) indicate ongoing commitment to maintaining air quality surveillance for the community.
Environmental context
South Tucson is located in the Sonoran Desert, characterized by hot summers and mild winters, with frequent temperature inversions that can trap pollutants near the ground. The area's air quality is influenced by vehicle emissions from Interstate 10 and local industrial sources, as well as dust from arid conditions. Monitoring stations like SOUTH TUCSON are essential for tracking ozone and particulate matter levels, which are common concerns in the region. The station's data helps inform public health warnings and supports regional air quality planning under the EPA's AQS framework.
Frequently asked questions
The SOUTH TUCSON air monitoring station is located at 1601 S 6th Ave, South Tucson, Arizona, United States.
Typical air monitoring stations in the EPA AQS network measure criteria pollutants such as ozone, particulate matter (PM2.5 and PM10), carbon monoxide, sulfur dioxide, and nitrogen dioxide.
The station is operated by the Pima County Department of Environmental Quality, which reports data to the US EPA's Air Quality System.
Air monitoring in the US is governed by the Clean Air Act and the National Ambient Air Quality Standards (NAAQS), with data collected through the EPA's Air Quality System (AQS) network.
The station provides real-time data on pollutant levels, enabling public health advisories, regulatory compliance checks, and long-term trend analysis for the South Tucson area.
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