LOUISIANA DEPARTMENT OF ENVIRONMENTAL QUALITY
Secretary Chuck Carr Brown, PhD.

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

Current Air Data

Issued: 02:30 PM,WED JUL 18 2018
Baton RougeWednesdayThursdayFriday
Ozone35-Good42-Good51-Moderate
PM2576-Moderate74-Moderate63-Moderate
AlexandriaWednesdayThursdayFriday
Ozone40-Good43-Good50-Good
PM2568-Moderate68-Moderate57-Moderate
Lake CharlesWednesdayThursdayFriday
Ozone50-Good58-Moderate51-Moderate
PM2568-Moderate68-Moderate63-Moderate
LafayetteWednesdayThursdayFriday
Ozone34-Good41-Good46-Good
PM2555-Moderate55-Moderate53-Moderate
MonroeWednesdayThursdayFriday
Ozone28-Good36-Good39-Good
PM2557-Moderate57-Moderate55-Moderate
New OrleansWednesdayThursdayFriday
Ozone31-Good42-Good45-Good
PM2584-Moderate78-Moderate61-Moderate
ShreveportWednesdayThursdayFriday
Ozone41-Good54-Moderate58-Moderate
PM2578-Moderate78-Moderate63-Moderate
ThibodauxWednesdayThursdayFriday
Ozone19-Good26-Good26-Good
PM2550-Moderate50-Moderate46-Good

REMARKS:Wednesday through Friday, light to moderate westerly to southwesterly winds will bring a large plume of Saharan dust into the state, increasing particle concentrations. In addition, gradually increasing sunshine each day will aid ozone formation. As a result, AQI levels will be Moderate in most locations on all three days.