Overview
Freeport South Avenue I is an operational air monitoring station in Freeport, Texas, operated by the Texas Commission on Environmental Quality. It provides ambient air quality data for the Brazoria County area.
Freeport South Avenue I is an air monitoring station located at 207 South Avenue I in Freeport, Texas, within Brazoria County. Operated by 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 assess compliance with National Ambient Air Quality Standards (NAAQS). The station's last reported sample date is August 31, 2025, indicating ongoing data collection. As a TCEQ-operated station, Freeport South Avenue I contributes to Texas's extensive ambient air monitoring network, which includes over 200 stations statewide. The station likely measures pollutants such as ozone, particulate matter (PM2.5 and PM10), nitrogen dioxide, sulfur dioxide, carbon monoxide, and lead, as typical for AQS stations. Its location in Freeport, a coastal industrial city with petrochemical and manufacturing facilities, makes it important for tracking industrial emissions and regional air quality. The station's data supports regulatory compliance, public health advisories, and environmental research. Freeport's proximity to the Gulf of Mexico and major industrial complexes means the station plays a key role in understanding local and regional air pollution patterns, including ozone formation and transport. The information collected helps inform community exposure assessments and air quality management decisions.
Environmental context
Freeport South Avenue I operates in a region with significant industrial activity, including petrochemical plants and refineries, which can contribute to elevated levels of ozone and particulate matter. The station's siting is representative of urban-industrial areas, providing data on pollutant concentrations that affect local communities. Its monitoring supports the US EPA's regulatory framework under the Clean Air Act, helping to track compliance with NAAQS and inform air quality improvement strategies.
Frequently asked questions
Freeport South Avenue I is located at 207 South Avenue I in Freeport, Texas, within Brazoria County, United States.
As an air monitoring station, Freeport South Avenue I measures ambient air pollutants such as ozone, particulate matter, nitrogen dioxide, sulfur dioxide, carbon monoxide, and lead, as part of the US EPA Air Quality System.
The station is operated by the Texas Commission on Environmental Quality (TCEQ), which manages air quality monitoring across Texas.
The station operates under the US Clean Air Act and is part of the EPA's Air Quality System (AQS) network, which monitors compliance with National Ambient Air Quality Standards (NAAQS).
Freeport hosts major industrial facilities, including petrochemical plants and refineries, making air monitoring essential for tracking emissions, protecting public health, and ensuring regulatory compliance.
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