Flagstaff High School Air Monitoring Station - Flagstaff, Arizona Environmental Monitoring

Flagstaff High School Air Monitoring Station is an operational air quality monitoring facility located at 400 W. Elm Ave. in Flagstaff, Arizona, United States. It is part of the state's ambient air monitoring network managed by the Arizona Department of Environmental Quality (ADEQ), contributing to the national air quality surveillance system. The station operates under the regulatory framework of the U.S. Environmental Protection Agency's (EPA) Air Quality System (AQS) network, which sets standards for criteria pollutants such as ozone, particulate matter, carbon monoxide, sulfur dioxide, nitrogen dioxide, and lead. As a monitoring site, it collects data that supports compliance with the National Ambient Air Quality Standards (NAAQS) and informs public health advisories. The facility's last reported sample date is September 30, 2025, indicating ongoing data collection. Located in Flagstaff, a city in Coconino County at an elevation of approximately 7,000 feet, the station monitors air quality in a region influenced by both urban emissions and natural sources like wildfire smoke and dust. The data from this station helps assess local air quality trends, supports regulatory decisions, and provides the public with real-time air quality information through ADEQ's reporting systems.

Flagstaff High School Air Monitoring Station is situated in a high-elevation urban environment where air quality can be affected by vehicle emissions, wood burning, and seasonal wildfires. The station's location near a school makes it representative of population exposure. Monitoring at this site typically includes criteria pollutants and meteorological parameters, supporting the EPA's AQS network and providing data for health studies and regulatory compliance.