SANTA CLARA Air Monitoring Station, Tucson, Arizona | United States Environmental Monitoring

SANTA CLARA is an air monitoring station located at 6910 South Santa Clara Avenue in Tucson, Arizona, within Pima County. The station is operational and reports to the Pima County Department of Environmental Quality, contributing to the national air quality monitoring network managed by the US Environmental Protection Agency (EPA). As part of the EPA's Air Quality System (AQS), this station plays a role in tracking criteria pollutants and supporting compliance with the National Ambient Air Quality Standards (NAAQS). The station's most recent sample date is June 30, 2025, indicating ongoing data collection. While specific parameters measured are not detailed, typical air monitoring stations in this network measure pollutants such as ozone, particulate matter (PM2.5 and PM10), carbon monoxide, sulfur dioxide, and nitrogen dioxide. The station's location in a residential area of Tucson provides representative data for urban air quality assessment. Tucson is situated in the Sonoran Desert, where air quality can be influenced by dust, vehicle emissions, and seasonal wildfires. The data from SANTA CLARA supports local and regional air quality management, public health advisories, and regulatory compliance. The station's long-term operation contributes to trend analysis and policy development for air pollution control in Arizona.

The SANTA CLARA station operates in the Sonoran Desert climate of Tucson, Arizona, where air quality is influenced by dust from arid soils, vehicle emissions from urban traffic, and occasional wildfire smoke. Monitoring criteria pollutants like ozone and particulate matter is critical for public health, as high temperatures and sunlight promote ozone formation. The station's data supports the Pima County Department of Environmental Quality in assessing compliance with NAAQS and informing local air quality alerts.