Overview
Carlyss Air Monitoring Station in Louisiana, USA, operated by the State of Louisiana, provides ambient air quality data for Calcasieu Parish. It is part of the US EPA Air Quality System network.
Carlyss Air Monitoring Station is an ambient air quality monitoring facility located at the intersection of Highway 27 and Highway 108 in Carlyss, Calcasieu Parish, Louisiana, United States. The station is operated by the State of Louisiana and is part of the national air monitoring network that supports the US EPA's Air Quality System (AQS). It serves as a key data source for assessing regional air quality in southwestern Louisiana. The station operates under the regulatory framework of the US Clean Air Act and the National Ambient Air Quality Standards (NAAQS). As part of the State of Louisiana's monitoring network, it likely measures criteria pollutants such as ozone, particulate matter (PM2.5 and PM10), nitrogen dioxide, sulfur dioxide, carbon monoxide, and lead, depending on site-specific objectives. The station provides continuous or periodic sampling to track compliance with federal standards and to inform public health advisories. Located in an area with industrial activity including petrochemical and refining operations, the Carlyss station plays a critical role in monitoring potential emissions from nearby sources. Its data supports local air quality management, community health protection, and regional environmental reporting. The station's operational status and recent sampling activity (last sample date September 2025) indicate ongoing contribution to the national air quality database.
Environmental context
The Carlyss station is situated in Calcasieu Parish, a region with a mix of industrial facilities, including oil refineries, chemical plants, and natural gas processing. The local environmental context is shaped by emissions from these sources, as well as transportation and meteorological factors typical of the Gulf Coast. Monitoring at this station helps characterize pollutant transport and concentration patterns, supporting compliance with NAAQS and providing data for health risk assessments. The station's siting near major highways (Highway 27 and 108) allows for representative sampling of both industrial and mobile source impacts.
Frequently asked questions
The Carlyss Air Monitoring Station is located at the intersection of Highway 27 and Highway 108 in Carlyss, Calcasieu Parish, Louisiana, United States.
As part of the Louisiana air monitoring network, the station likely monitors criteria pollutants such as ozone, particulate matter, nitrogen dioxide, sulfur dioxide, carbon monoxide, and lead, in accordance with US EPA standards.
The station is operated by the State of Louisiana, which manages the state's ambient air quality monitoring network.
Air monitoring in the US is governed by the Clean Air Act and the National Ambient Air Quality Standards (NAAQS), with data reported to the EPA's Air Quality System (AQS).
Calcasieu Parish hosts industrial facilities such as refineries and chemical plants, making air monitoring essential for tracking emissions, ensuring compliance with health standards, and protecting public health.
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