Louisiana Air Quality Remains Good with Moderate PM2.5 Levels in Some Areas
Louisiana Air Quality Remains Good with Moderate PM2.5 Levels in Some Areas
US · Published Sep 3, 2026
• The Louisiana Department of Environmental Quality (LDEQ) has released updated air quality monitoring data for various sites across the state as of August 29,
• Most locations reported 'Good' air quality levels for ozone (O3), with values ranging from 7 to 24 parts per billion (PPB). PM2.5 levels were generally 'Good' but reached 'Moderate' levels at the Shreveport Downtown Airport site, with a concentration of 12.448 micrograms per cubic meter (UG/M3). Sulfur dioxide (SO2) levels remained 'Good' across all sites, with values as low as 0 PPB at the Baton Rouge Capitol site and up to 0.9 PPB at the St. James Parish site. The data provides a snapshot of air quality conditions, which are considered satisfactory for most pollutants, posing little to no health risks for the general population.

Impact & Risks

Air quality across Louisiana is largely satisfactory, with minimal health risks for the general population. However, the 'Moderate' PM2.5 levels at the Shreveport Downtown Airport site may pose minor health concerns for individuals sensitive to air pollution, such as those with respiratory conditions. Sensitive groups should monitor conditions closely, especially in areas with elevated PM2.5 concentrations. Overall, the air quality remains safe for outdoor activities in most regions.

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