Sunlight Mountain Air Monitoring Station, Garfield County, Colorado

Sunlight Mountain is an air monitoring station located in Garfield County, Colorado, United States. Operated by the US Forest Service, it is part of the national ambient air quality monitoring network that supports the EPA's Air Quality System (AQS). The station contributes to the assessment of air quality in the region, particularly in areas managed by the Forest Service. The station is operational and reported a last sample date of December 31, 2024, indicating ongoing data collection. While specific parameters measured are not detailed, typical Forest Service monitoring includes criteria pollutants such as ozone, particulate matter, and nitrogen oxides, as well as meteorological parameters. The station's siting in a mountainous area provides representative data for regional background conditions. Environmental monitoring at Sunlight Mountain supports the protection of air quality in Colorado's mountain ecosystems and nearby communities. Data from this station helps inform regulatory compliance with National Ambient Air Quality Standards (NAAQS) and contributes to understanding long-term trends in air quality in the Rocky Mountain region.

Sunlight Mountain's location in a forested, mountainous area of Colorado provides a unique environmental context for air monitoring. The station captures background air quality conditions away from major urban sources, making it valuable for assessing regional transport of pollutants and the impact of wildfires. Monitoring in such areas supports the protection of sensitive ecosystems and visibility in Class I areas, as mandated by the Clean Air Act.