Brownsville East 6th Street Air Monitoring Station, Brownsville, Texas

Brownsville East 6th Street is an air monitoring station located at 85 East 6th Street in Brownsville, Cameron County, Texas. 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 across the United States. The station is operational and reported a last sample date of August 31, 2025, indicating recent data collection. As part of the TCEQ's monitoring network, it likely measures pollutants such as ozone, particulate matter, carbon monoxide, sulfur dioxide, and nitrogen dioxide, in line with EPA regulatory requirements. The station's urban siting in Brownsville provides representative data for the city's air quality. Located near the US-Mexico border, the station contributes to understanding transboundary air pollution and local industrial emissions. Its data supports public health advisories and regulatory compliance under the Clean Air Act. The station's continuous operation helps track long-term air quality trends in the Lower Rio Grande Valley.

The station's location in Brownsville, a border city with industrial activity and vehicle emissions, makes it important for monitoring criteria pollutants like ozone and PM2.5. The TCEQ network follows EPA siting criteria to ensure representativeness. Data from this station supports regional air quality management and public health protection.