Breton Island Air Monitoring Station, New Orleans, Louisiana

Breton Island is an air monitoring station located at 25724 Chef Menteur Hwy in New Orleans, Louisiana, United States. It is part of the Interagency Monitoring of Protected Visual Environments (IMPROVE) network, which focuses on visibility and particulate matter monitoring in protected areas. The station is operated by the National Park Service and is currently operational. The IMPROVE network is a key component of the US EPA's air quality monitoring framework, complementing the AQS network by providing speciated particulate matter data and visibility measurements. Stations like Breton Island use filter-based samplers and optical instruments to measure PM2.5, PM10, and light extinction, supporting regional haze regulations and the Clean Air Act. This station contributes to understanding air quality in the Gulf Coast region, where industrial emissions, maritime activities, and urban sources influence particulate levels. Data from Breton Island helps assess visibility impacts in nearby protected areas and informs regulatory compliance for regional haze programs.

Breton Island monitors criteria pollutants and visibility parameters as part of the IMPROVE network. The station's siting in a coastal area near New Orleans provides representative data for regional haze assessments. Reporting continuity is maintained through the National Park Service, ensuring long-term trend analysis for particulate matter and visibility.