SOUTH OF CRAWFORD & POLK INTERSECTION Air Monitoring Station, Houston, Texas

SOUTH OF CRAWFORD & POLK INTERSECTION is an air monitoring station located at 1307 1/2 Crawford St. in Houston, Texas. It operates under the US EPA National Exposure Research Lab as part of the national Air Quality System (AQS) network, which monitors criteria pollutants and other atmospheric parameters. The station is situated in Harris County, a region with significant industrial activity including petrochemical refining and manufacturing. As part of the EPA's monitoring network, it likely measures pollutants such as ozone, particulate matter, carbon monoxide, sulfur dioxide, and nitrogen oxides, in compliance with the Clean Air Act. The station's urban location provides representative data for population exposure assessment. Environmental monitoring in Houston is critical due to the city's industrial base and vulnerability to air quality issues. Data from this station supports regulatory compliance, public health advisories, and research on air pollution trends. The station's operational status ensures continuity of long-term records essential for evaluating air quality improvements.

Houston's air quality is influenced by industrial emissions, vehicle traffic, and meteorological conditions. The station's location in a mixed residential-commercial area provides representative sampling for urban exposure. Monitoring criteria pollutants helps track compliance with National Ambient Air Quality Standards (NAAQS) and supports health studies. The EPA's network emphasizes siting representativeness and data quality assurance.