DOUGLAS RED CROSS Air Monitoring Station, Douglas, Arizona | Environmental Monitoring

DOUGLAS RED CROSS is an operational Air Monitoring Station located at 1445-1449 15th Street in Douglas, Cochise County, Arizona. The station is part of the United States' extensive ambient air monitoring network, which supports the EPA's Air Quality System (AQS) and helps track compliance with National Ambient Air Quality Standards (NAAQS). The station is operated by the Arizona Department of Environmental Quality (ADEQ), which manages a statewide network of monitors to measure criteria pollutants such as ozone, particulate matter, carbon monoxide, sulfur dioxide, and nitrogen dioxide. The most recent sample date recorded is September 30, 2025, indicating ongoing data collection. Typical air monitoring stations in Arizona use Federal Reference Methods or Federal Equivalent Methods to ensure data accuracy and comparability. Douglas is located near the US-Mexico border, where air quality can be influenced by regional industrial activity, vehicle emissions, and seasonal dust. The data from this station supports public health advisories and regulatory assessments, contributing to the broader goal of protecting community health and the environment in southern Arizona.

Douglas, Arizona, lies in a semi-arid region near the border with Mexico, where air quality can be affected by local sources such as traffic, industry, and agricultural dust, as well as cross-border emissions. The station's location in a residential area provides representative sampling for population exposure. Monitoring data from this station helps assess compliance with EPA standards and supports state-level air quality management programs.