Overview
Canyonlands NP is an air monitoring station in Utah, part of the CASTNET network operated by Mactec, Inc. It provides long-term atmospheric data for the Colorado Plateau region.
Canyonlands NP is an air monitoring station located within Canyonlands National Park in San Juan County, Utah, United States. It is part of the Clean Air Status and Trends Network (CASTNET), a national program designed to assess the effectiveness of emission control programs and track changes in air quality and atmospheric deposition. The station is operated by Mactec, Inc. and reports to the U.S. Environmental Protection Agency (EPA). The station collects data on criteria pollutants, atmospheric deposition, and meteorological parameters, contributing to the EPA's Air Quality System (AQS) and the broader National Ambient Air Quality Standards (NAAQS) framework. CASTNET stations are typically sited in rural or remote areas to represent regional background conditions, making Canyonlands NP a key site for understanding air quality in the Intermountain West. As a remote monitoring site in a national park, Canyonlands NP helps track long-range transport of pollutants and the impact of regional emissions on sensitive ecosystems. Its data supports regulatory assessments and scientific research on visibility, ozone, and acid deposition in the Colorado Plateau, a region known for its pristine air quality and scenic vistas.
Environmental context
Canyonlands NP operates in a remote, high-desert environment where air quality is influenced by regional emissions from power plants, oil and gas development, and urban areas. The station's siting represents background conditions for the Colorado Plateau, making it critical for assessing visibility impairment and ozone transport. Parameter coverage includes criteria pollutants (e.g., ozone, PM2.5) and deposition chemistry, supporting the EPA's regulatory monitoring network and the National Park Service's air quality goals.
Frequently asked questions
Canyonlands NP is located within Canyonlands National Park in San Juan County, Utah, United States.
Canyonlands NP is part of the Clean Air Status and Trends Network (CASTNET), operated by Mactec, Inc. and reporting to the U.S. EPA.
The station monitors criteria pollutants such as ozone and PM2.5, as well as atmospheric deposition chemistry and meteorological parameters.
CASTNET provides long-term data to assess the effectiveness of emission control programs under the Clean Air Act, supporting the EPA's Air Quality System and National Ambient Air Quality Standards.
Remote monitoring in national parks helps track regional background air quality, long-range pollutant transport, and impacts on visibility and ecosystems, which are protected under the Clean Air Act.
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