Houston Monroe Air Monitoring Station, Houston, Texas | Environmental Monitoring

Houston Monroe is an air monitoring station located at 9726 1/2 Monroe in Houston, Harris County, Texas, United States. Operated under the Texas Commission on Environmental Quality (TCEQ), it is part of the state's ambient air quality monitoring network, which supports compliance with the U.S. EPA's National Ambient Air Quality Standards (NAAQS). The station contributes to the characterization of air pollution in a major urban and industrial region. The station's last reported sample date is September 30, 2025, indicating recent operational status. As an air monitoring station, it typically measures criteria pollutants such as ozone, particulate matter, carbon monoxide, sulfur dioxide, nitrogen dioxide, and lead, as well as meteorological parameters. The TCEQ network follows EPA-approved methods for siting, quality assurance, and data reporting, ensuring representativeness and reliability. Environmental monitoring in Houston is critical due to the city's dense population, heavy traffic, and concentration of petrochemical and industrial facilities. Data from stations like Houston Monroe help assess compliance with air quality standards, inform public health advisories, and support emission reduction strategies. The station's location in a residential area provides representative exposure data for nearby communities.

Houston's air quality is influenced by a mix of urban emissions, industrial activity from the Houston Ship Channel, and meteorological conditions such as temperature inversions. The Houston Monroe station is situated in a residential area, providing representative monitoring of population exposure. Its data contributes to the EPA's Air Quality System (AQS) and supports the region's State Implementation Plan for ozone and particulate matter. The station's parameter coverage and siting are designed to capture both local and regional pollution patterns.