French Market Area Air Monitoring Station, New Orleans, Louisiana

French Market Area is an air monitoring station located at Decatur & Elysian Fields in New Orleans, Louisiana, United States. The station is part of the US EPA Air Quality System (AQS) network and is operated by the State of Louisiana. It provides continuous ambient air quality monitoring for the New Orleans metropolitan area. The station operates under the regulatory framework of the US Clean Air Act and EPA ambient air quality standards. As part of the AQS network, it typically measures criteria pollutants such as ozone, particulate matter, carbon monoxide, sulfur dioxide, and nitrogen dioxide. The station's location in an urban area near the French Market provides representative sampling of local air quality influenced by traffic, commerce, and residential sources. Environmental monitoring at this station supports public health protection and regulatory compliance. Data collected contributes to the national air quality index (AQI) and helps assess long-term trends in air pollution. The station plays a key role in informing local air quality management decisions and community awareness.

New Orleans is a major port city with industrial activity, including petrochemical refining and shipping, which can impact local air quality. The French Market Area station is situated in a mixed-use urban environment near the Mississippi River, providing representative sampling of emissions from transportation, commercial activities, and residential sources. Monitoring criteria pollutants here helps assess compliance with National Ambient Air Quality Standards (NAAQS) and supports public health advisories.