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

Current Air Data

Issued: 02:30 PM,MON JUL 27 2015
Baton RougeMondayTuesdayWednesday
Ozone100-Moderate104-Unhealthy for Sensitive Groups93-Moderate
PM2568-Moderate63-Moderate59-Moderate
AlexandriaMondayTuesdayWednesday
Ozone54-Moderate67-Moderate58-Moderate
PM2553-Moderate55-Moderate55-Moderate
Lake CharlesMondayTuesdayWednesday
Ozone51-Moderate67-Moderate61-Moderate
PM2561-Moderate59-Moderate61-Moderate
LafayetteMondayTuesdayWednesday
Ozone51-Moderate61-Moderate51-Moderate
PM2561-Moderate59-Moderate55-Moderate
MonroeMondayTuesdayWednesday
Ozone46-Good51-Moderate51-Moderate
PM2557-Moderate53-Moderate53-Moderate
New OrleansMondayTuesdayWednesday
Ozone77-Moderate90-Moderate71-Moderate
PM2557-Moderate57-Moderate53-Moderate
ShreveportMondayTuesdayWednesday
Ozone51-Moderate58-Moderate54-Moderate
PM2561-Moderate59-Moderate59-Moderate
ThibodauxMondayTuesdayWednesday
Ozone47-Good54-Moderate51-Moderate
PM2546-Good53-Moderate50-Moderate

REMARKS:Monday and Tuesday, mostly sunny skies and temperatures in the 90s will enhance ozone formation in Louisiana. Furthermore, light and variable winds will limit pollutant dispersion. As a result, AQI levels will be Moderate in most cities on both days. In Baton Rouge, AQI levels will be high-Moderate on Monday and Unhealthy for Sensitive Groups on Tuesday. Wednesday, light to moderate northwesterly winds will help to disperse pollutants in Louisiana. However, sunny and warm conditions will continue to support ozone production. These conditions, combined with pollutant carryover from previous days, will lead to Moderate AQI levels across most of the state, with high-Moderate AQI levels expected in Baton Rouge.

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