Overview
Globe Highway is an operational air monitoring station in Gila County, Arizona, managed by the Arizona Department of Environmental Quality. It contributes to the US EPA Air Quality System network, tracking criteria pollutants to support public health
Globe Highway is an air monitoring station located along SR 77 in Gila County, Arizona, United States. Operated by the Arizona Department of Environmental Quality, it is part of the national ambient air quality monitoring network under the US EPA Air Quality System (AQS). The station provides continuous data on criteria pollutants, supporting local and regional air quality assessments. As a component of the EPA's regulatory framework, Globe Highway measures pollutants such as ozone, particulate matter, carbon monoxide, sulfur dioxide, and nitrogen dioxide, in accordance with National Ambient Air Quality Standards (NAAQS). The station's siting follows EPA guidelines for representativeness, ensuring data reflects population exposure and background conditions. Regular reporting to the AQS database enables trend analysis and compliance tracking. The station's location in rural Gila County provides valuable baseline air quality data away from major urban sources, helping to characterize regional transport and background pollution levels. This information supports state implementation plans for attaining NAAQS and informs public health advisories. The station's long-term operation ensures continuity in monitoring, essential for detecting trends and evaluating the effectiveness of air quality management strategies.
Environmental context
Air monitoring in rural Arizona like Globe Highway is critical for understanding background ozone and particulate levels, which can be influenced by wildfires, dust storms, and regional transport from urban areas. The station's data helps differentiate local sources from regional pollution, supporting the state's compliance with EPA standards. Monitoring in this area also contributes to the broader network that tracks visibility in nearby Class I areas and informs health advisories for sensitive populations.
Frequently asked questions
Globe Highway is located along SR 77 in Gila County, Arizona, United States. It is a rural air monitoring station operated by the Arizona Department of Environmental Quality.
As part of the EPA Air Quality System, Globe Highway monitors criteria pollutants including ozone, particulate matter (PM2.5 and PM10), carbon monoxide, sulfur dioxide, and nitrogen dioxide, in accordance with National Ambient Air Quality Standards.
The station provides continuous data that supports state implementation plans for attaining NAAQS, helps track regional pollution trends, and informs public health advisories. Its rural location offers baseline data for understanding background pollution levels.
Air monitoring in the US is governed by the Clean Air Act, with the EPA setting National Ambient Air Quality Standards (NAAQS) for criteria pollutants. Monitoring stations like Globe Highway report data to the EPA's Air Quality System (AQS) for compliance and research.
Rural stations like Globe Highway help differentiate local pollution from regional transport, track impacts from wildfires and dust storms, and provide background data essential for understanding ozone formation and visibility in protected areas.
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