Geronimo Air Monitoring Station, Tucson, Arizona | Environmental Monitoring

Geronimo is an air monitoring station located at 2498 N. Geronimo in Tucson, Arizona, United States. Operated by the Pima County Department of Environmental Quality, it is part of the local network that tracks ambient air quality in the region. As a fixed-site monitor, it contributes to the broader US EPA Air Quality System (AQS) network. The station collects data on criteria pollutants and other parameters to assess compliance with National Ambient Air Quality Standards (NAAQS). Its last reported sample date is June 30, 2025, indicating ongoing operation. The station's siting in a residential area of Tucson provides representative data for population exposure. Tucson's arid climate and growing urban area make air quality monitoring important for public health. The station supports local and federal regulatory efforts to manage ozone, particulate matter, and other pollutants. Its data aids in air quality forecasting and community awareness.

The station monitors criteria pollutants such as ozone, PM2.5, and PM10, which are relevant in Tucson's desert environment where dust and vehicle emissions are key concerns. Siting in a mixed residential area ensures representativeness of population exposure. Reporting continuity is maintained through the Pima County Department of Environmental Quality, aligning with EPA AQS standards.