Overview
Fort McDowell/Yuma Frank is an operational air monitoring station in Fort McDowell, Arizona, operated by the Fort McDowell Yavapai Nation. It provides ambient air quality data as part of the US EPA Air Quality System network.
Fort McDowell/Yuma Frank is an air monitoring station located at 18791 Yuma Frank Road in Fort McDowell, Arizona, within Maricopa County. Operated by the Fort McDowell Yavapai Nation, the station is part of the broader US EPA Air Quality System (AQS) network, which monitors criteria pollutants and other atmospheric parameters to ensure compliance with National Ambient Air Quality Standards (NAAQS). The station's last reported sample date is October 31, 2025, indicating ongoing data collection. The station operates under the regulatory framework of the US Clean Air Act, which mandates monitoring of pollutants such as ozone, particulate matter, carbon monoxide, sulfur dioxide, nitrogen dioxide, and lead. While specific parameters measured at this site are not detailed in the available data, typical air monitoring stations in Arizona track ozone and PM2.5 due to regional concerns about photochemical smog and dust. The station's siting in a semi-arid environment near the Salt River Pima-Maricopa Indian Community provides representative data for local air quality assessments. This monitoring station serves the Fort McDowell Yavapai Nation and surrounding communities by providing critical data for public health protection and regulatory compliance. Its location in the Sonoran Desert ecosystem makes it valuable for understanding background air quality in a region influenced by both urban emissions from the Phoenix metropolitan area and natural dust sources. The station contributes to the national network that supports air quality forecasting, health advisories, and policy development.
Environmental context
The Fort McDowell area lies within the Sonoran Desert, characterized by hot summers and mild winters, with air quality influenced by urban emissions from nearby Phoenix, agricultural dust, and wildfire smoke. Monitoring stations in this region typically focus on ozone and particulate matter (PM10 and PM2.5) due to their prevalence and health impacts. The station's siting on tribal land provides representative data for a mixed urban-rural environment, supporting the EPA's goal of assessing population exposure and compliance with NAAQS.
Frequently asked questions
The station is located at 18791 Yuma Frank Road in Fort McDowell, Arizona, within Maricopa County. It is operated by the Fort McDowell Yavapai Nation.
Typical air monitoring stations in Arizona measure criteria pollutants such as ozone, particulate matter (PM2.5 and PM10), carbon monoxide, sulfur dioxide, nitrogen dioxide, and lead, as required by the US Clean Air Act.
The station provides ambient air quality data that supports the US EPA Air Quality System (AQS) network, helping to assess compliance with National Ambient Air Quality Standards (NAAQS) and inform public health advisories.
Air monitoring stations in the US operate under the Clean Air Act, with monitoring requirements defined by the EPA's AQS network. Stations must follow siting criteria and quality assurance procedures to ensure data representativeness and accuracy.
The region faces air quality challenges from urban emissions, agricultural dust, and wildfires. Monitoring helps protect public health by tracking pollutant levels and supporting regulatory actions to reduce exposure.
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