Overview
Karnack Air Monitoring Station in Harrison County, Texas, is an operational facility managed by the Texas Commission on Environmental Quality, providing ambient air quality data for the region.
Karnack Air Monitoring Station is an operational air monitoring facility located at the intersection of Hwy 134 and Spur 449 in Karnack, Harrison County, Texas. Operated under the Texas Commission on Environmental Quality (TCEQ), this station is part of the broader US EPA Air Quality System (AQS) network, which monitors criteria pollutants and other atmospheric parameters to ensure compliance with National Ambient Air Quality Standards (NAAQS). The station's last reported sample date is August 31, 2025, indicating recent and ongoing data collection. As part of the TCEQ's monitoring network, it contributes to the state's air quality surveillance, which includes measuring pollutants such as ozone, particulate matter, and nitrogen oxides. The facility's location in a rural area near the Texas-Louisiana border provides representative data for regional air quality assessment. Environmental monitoring at this station supports public health protection by tracking pollutant levels and informing regulatory decisions. The data collected aids in understanding local air quality trends, particularly in relation to industrial activities and meteorological conditions in East Texas. This information is vital for community awareness and for developing strategies to maintain air quality standards.
Environmental context
The Karnack station operates within the US EPA AQS framework, focusing on criteria pollutants and meteorological parameters. Its rural siting in Harrison County provides background air quality data, complementing urban monitors. The station's reporting continuity under TCEQ ensures long-term trend analysis, which is crucial for assessing regional air quality impacts from nearby industrial sources and transportation corridors.
Frequently asked questions
The Karnack Air Monitoring Station is located at the intersection of Hwy 134 and Spur 449 in Karnack, Harrison County, Texas, United States.
As part of the Texas Commission on Environmental Quality's network, the station monitors ambient air quality, likely including criteria pollutants such as ozone, particulate matter, and nitrogen oxides, in accordance with US EPA standards.
The station is operated by the Texas Commission on Environmental Quality (TCEQ), which manages air quality monitoring across the state.
Air monitoring in Texas operates under the US EPA's Air Quality System (AQS) and the National Ambient Air Quality Standards (NAAQS), with state-level implementation by TCEQ.
The station provides continuous air quality data that supports regulatory compliance, public health assessments, and trend analysis for the East Texas region.
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