Sacaton Air Monitoring Site - Air Quality Station in Sacaton, Arizona

The Sacaton Air Monitoring Site is an air monitoring station located at 35 Pima Street in Sacaton, Arizona, within the Gila River Indian Reservation. Operated by the Gila River Indian Community, this station is part of the broader US EPA Air Quality System (AQS) network, contributing to national ambient air quality monitoring efforts. The station is situated in Pinal County, a region with a mix of agricultural, industrial, and urban influences. As an air monitoring station, the Sacaton site typically measures criteria pollutants such as ozone, particulate matter (PM2.5 and PM10), carbon monoxide, sulfur dioxide, nitrogen dioxide, and lead, in accordance with the National Ambient Air Quality Standards (NAAQS). The station's last reported sample date is June 30, 2025, indicating ongoing data collection. The facility operates under the regulatory framework of the Clean Air Act and is part of the EPA's AQS network, which ensures standardized monitoring methods and data quality. The Sacaton Air Monitoring Site plays a vital role in assessing air quality in the Gila River Indian Community and surrounding areas. Its data supports public health advisories, regulatory compliance, and environmental research. By providing continuous monitoring, the station helps protect the health of local residents and contributes to the understanding of air pollution patterns in the region.

The Sacaton Air Monitoring Site is located in the Sonoran Desert, a region characterized by hot, dry summers and mild winters. Air quality in the area can be influenced by dust storms, agricultural activities, and emissions from nearby urban centers like Phoenix. The station's monitoring of criteria pollutants is essential for tracking compliance with NAAQS and for informing local air quality management strategies. The site's location on tribal lands underscores the importance of environmental monitoring in underserved communities.