Alabama-Coushatta Air Monitoring Station, Livingston, Texas | CASTNET

Alabama-Coushatta is an air monitoring station located at 361 Tombigbee Rd, Livingston, Texas, within Polk County. Operated under the Clean Air Status and Trends Network (CASTNET), this station contributes to a national program that measures ambient air quality and atmospheric deposition. CASTNET is a key component of the US EPA's monitoring infrastructure, providing data on pollutants such as ozone, sulfur dioxide, and particulate matter. As part of CASTNET, the station follows standardized protocols for sample collection and analysis, ensuring data consistency across the network. The reporting agency, Mactec, Inc., oversees the technical operations. The station's last sample date was December 24, 2024, indicating ongoing monitoring activities. CASTNET stations typically measure criteria pollutants and meteorological parameters, supporting regulatory compliance and scientific research. The Alabama-Coushatta station serves a rural area in eastern Texas, providing baseline air quality data away from major urban sources. This data helps track long-term trends and assess the impact of regional emission controls. The station's location near the Alabama-Coushatta Indian Reservation underscores its role in monitoring environmental conditions in a culturally significant area.

The station is situated in a rural region of Polk County, Texas, characterized by forested landscapes and low population density. This setting provides a representative background site for monitoring regional air quality, away from direct urban or industrial influences. The data collected supports the assessment of long-range transport of pollutants and the effectiveness of national air quality policies. CASTNET's focus on atmospheric deposition also helps evaluate ecosystem impacts, such as acidification and nutrient enrichment.