The highest AQ index in Louisiana (as of 19:00 CDT) is currently the New Orleans area. Particle Pollution (PM2.5) is measuring at 64 (Moderate). This means air quality is acceptable. However, there may be a risk for some people, particularly those who are unusually sensitive to air pollution.
Over the next few days, the highest Particle Pollution (PM2.5) will be in the Baton Rouge Area area. It is forecasted to be Moderate, meaning air quality is acceptable. However, there may be a risk for some people, particularly those who are unusually sensitive to air pollution.
Saturday, as a cold front gradually moves across Louisiana from the northwest, vertical mixing will increase. Additionally, increasing clouds and showers will reduce ozone formation. Furthermore, light to moderate south-southwesterly winds will shift to northerly in the afternoon and evening, dispersing pollutants. As a result, AQI levels will be Good across the northern part of the state and high-Good to low-Moderate for the remainder of the state. Sunday, light to moderate northeasterly winds behind the departing cold front will disperse pollutants and carry cleaner air across the Bayou State, leading to Good AQI levels statewide. Monday, a broad area of surface high pressure positioned to the northwest of the state will produce light easterly winds, limiting dispersion and gradually transporting thin smoke and other pollutants into Louisiana. Additionally, morning and evening inversions will reduce low-level mixing. These conditions will allow AQI levels to increase to high-Good to low-Moderate.
| Range | 0 - 50 | 51 - 100 | 101 - 150 | 151 - 200 | 201 - 300 | 301 - 500 |
| Color | ||||||
| Category | Good | Moderate | Unhealthy for Sensitive Groups | Unhealthy | Very Unhealthy | Hazardous |
Last Updated 23 minutes ago
Below is a list of counties in Louisiana. Click on any county below and you'll get a list of cities where we provide AQ index forecasts.