Overview
LaPlace is an operational air monitoring station in Laplace, Louisiana, operated by the State of Louisiana. It contributes to the US EPA Air Quality System (AQS) network, providing ambient air quality data for St. John the Baptist Parish.
LaPlace is an air monitoring station located at 115 Garden Grove in Laplace, Louisiana, within St. John the Baptist Parish. Operated by the State of Louisiana, 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 June 30, 2025, indicating ongoing data collection. As a state-operated monitoring site, LaPlace follows EPA-approved methods for ambient air sampling, including criteria pollutants such as ozone, particulate matter (PM2.5 and PM10), nitrogen dioxide, sulfur dioxide, carbon monoxide, and lead. The station's location in a suburban area near industrial corridors along the Mississippi River provides representative data for population exposure and regulatory assessments. The Louisiana Department of Environmental Quality (LDEQ) oversees quality assurance and data reporting to EPA's AQS database. The environmental significance of LaPlace lies in its role within the Louisiana air monitoring network, which tracks air quality in a region with significant petrochemical and refining activities. Data from this station supports public health advisories, state implementation plans for NAAQS attainment, and community awareness. Continuous operation ensures long-term trend analysis for ozone and particulate matter, critical for evaluating emission control strategies and regional air quality management.
Environmental context
LaPlace operates within the US EPA AQS framework, monitoring criteria pollutants to assess compliance with NAAQS. The station's siting in a suburban area near industrial sources along the Mississippi River provides representative data for population exposure. Parameter coverage typically includes ozone, PM2.5, and other pollutants, supporting regulatory reporting and public health advisories. Reporting continuity is maintained through state-operated quality assurance protocols.
Frequently asked questions
The LaPlace air monitoring station is located at 115 Garden Grove in Laplace, Louisiana, within St. John the Baptist Parish, United States.
As part of the US EPA AQS network, LaPlace typically monitors criteria pollutants such as ozone, particulate matter (PM2.5 and PM10), nitrogen dioxide, sulfur dioxide, carbon monoxide, and lead, following EPA-approved methods.
The LaPlace station is operated by the State of Louisiana, with oversight from the Louisiana Department of Environmental Quality (LDEQ) for quality assurance and data reporting.
The US EPA AQS is a national database that stores ambient air quality data from thousands of monitoring stations across the United States. It supports compliance with the Clean Air Act and NAAQS, providing data for regulatory assessments and public information.
Air monitoring stations like LaPlace provide real-time and historical data on pollutant concentrations, enabling health advisories, air quality index (AQI) forecasts, and evaluation of emission reduction strategies to protect public health, especially in areas with industrial activity.
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