Ozone and PM2.5 Air Quality Index (AQI) Forecast

Current Air Data

Issued: 02:30 PM,SUN APR 26 2015
Baton RougeSundayMondayTuesday
Ozone51-Moderate38-Good34-Good
PM2555-Moderate53-Moderate46-Good
AlexandriaSundayMondayTuesday
Ozone47-Good34-Good31-Good
PM2553-Moderate42-Good33-Good
Lake CharlesSundayMondayTuesday
Ozone38-Good34-Good31-Good
PM2557-Moderate53-Moderate42-Good
LafayetteSundayMondayTuesday
Ozone42-Good36-Good34-Good
PM2553-Moderate50-Moderate42-Good
MonroeSundayMondayTuesday
Ozone42-Good34-Good30-Good
PM2553-Moderate46-Good38-Good
New OrleansSundayMondayTuesday
Ozone51-Moderate40-Good34-Good
PM2557-Moderate53-Moderate42-Good
ShreveportSundayMondayTuesday
Ozone50-Good38-Good34-Good
PM2553-Moderate46-Good33-Good
ThibodauxSundayMondayTuesday
Ozone41-Good31-Good28-Good
PM2550-Moderate46-Good38-Good

REMARKS:Sunday, light winds will reduce pollutant dispersion throughout Louisiana. In addition, lingering smoke originating from fires in Mexico and Central America will increase particle levels. Furthermore, partly to mostly sunny skies and warm temperatures will enhance ozone formation. These conditions will lead to low-Moderate AQI levels across most of the state. Monday, moderate easterly winds ahead of an approaching low-pressure system will help to disperse pollutants. In addition, increasing clouds and scattered thunderstorms will reduce ozone formation. Therefore, AQI levels will be Good to low-Moderate. Tuesday, as a low-pressure system moves through Louisiana and departs to the east, moderate northerly winds will develop, dispersing pollutants and bringing clean air into the region. As a result, AQI levels will be Good statewide.

Louisiana Department of Environmental Quality 602 N. Fifth Street Baton Rouge, LA 70802
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