Overview
Caddo Valley is an air monitoring station in Arkansas, USA, operated under the CASTNET network. It provides long-term atmospheric data for assessing environmental trends and regulatory compliance.
Caddo Valley is an air monitoring station located at Lower Lake Recreation Area in Caddo Valley, Arkansas, United States. It is part of the Clean Air Status and Trends Network (CASTNET), a national program designed to monitor the effects of air pollution on ecosystems. The station is operational and contributes to the U.S. EPA's Air Quality System (AQS) by providing data on criteria pollutants and atmospheric deposition. The station is operated by Mactec, Inc. under contract with the EPA. CASTNET sites typically measure ozone, sulfur dioxide, nitrogen oxides, particulate matter, and meteorological parameters. The last sample date recorded is December 24, 2024, indicating ongoing data collection. This station supports the EPA's regulatory framework under the Clean Air Act, helping to assess compliance with National Ambient Air Quality Standards (NAAQS). Located in a rural recreation area, Caddo Valley provides background air quality data representative of the region's natural conditions. Its data is used to evaluate long-term trends, ecosystem impacts, and the effectiveness of emission reduction programs. The station plays a key role in understanding air quality in the southeastern United States and supporting environmental research.
Environmental context
Caddo Valley operates within the U.S. EPA's regulatory framework, contributing to the national air monitoring network. Its rural siting provides representative background data for assessing regional air quality and deposition trends. The station measures key pollutants and meteorological parameters, supporting compliance with NAAQS and ecosystem protection goals.
Frequently asked questions
The Caddo Valley air monitoring station is located at Lower Lake Recreation Area in Caddo Valley, Arkansas, United States.
Caddo Valley is part of the Clean Air Status and Trends Network (CASTNET), which monitors air pollution effects on ecosystems.
CASTNET stations typically measure ozone, sulfur dioxide, nitrogen oxides, particulate matter, and meteorological parameters to assess air quality and deposition.
CASTNET data helps the EPA evaluate compliance with National Ambient Air Quality Standards (NAAQS) and track long-term trends under the Clean Air Act.
The station is operated by Mactec, Inc. under contract with the U.S. Environmental Protection Agency.
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