Current Monitoring Data & AQI

  • Baton Rouge Capitol Site

    23 OZONE

    Good 25 PPB 8/19/2026 5:00 PM

    23 PM25

    Good 5.602 UG/M3 8/19/2026 6:00 PM

    0 SO2

    Good 0 PPB 8/19/2026 5:00 PM

  • Baton Rouge LSU Site

    28 OZONE

    Good 30 PPB 8/19/2026 5:00 PM

  • Bayou Plaquemine Site

    23 OZONE

    Good 25 PPB 8/19/2026 5:00 PM

  • Carlyss Site

    28 OZONE

    Good 30 PPB 8/19/2026 5:00 PM

  • Carville Site

    24 OZONE

    Good 26 PPB 8/19/2026 5:00 PM

  • Chalmette Vista Site

    31 PM25

    Good 7.375 UG/M3 8/19/2026 6:00 PM

    3 SO2

    Good 2 PPB 8/19/2026 5:00 PM

  • Dixie Site

    38 OZONE

    Good 41 PPB 8/19/2026 5:00 PM

  • Dutchtown Site

    12 OZONE

    Good 13 PPB 8/19/2026 1:00 PM

  • French Settlement Site

    28 OZONE

    Good 30 PPB 8/19/2026 5:00 PM

    25 PM25

    Good 6.055 UG/M3 8/19/2026 6:00 PM

  • Garyville Site

    27 OZONE

    Good 29 PPB 8/19/2026 5:00 PM

  • Kenner Site

    31 OZONE

    Good 33 PPB 8/19/2026 5:00 PM

    26 PM25

    Good 6.264 UG/M3 8/19/2026 6:00 PM

  • Lafayette USGS Site

    25 OZONE

    Good 27 PPB 8/19/2026 5:00 PM

    18 PM25

    Good 4.226 UG/M3 8/19/2026 6:00 PM

  • Madisonville/Northshore Site

    35 OZONE

    Good 38 PPB 8/19/2026 5:00 PM

  • Marrero Site

    Temporary Located Community Site

    39 PM25

    Good 9.267 UG/M3 8/19/2026 6:00 PM

    0 SO2

    Good 0.7 PPB 8/19/2026 5:00 PM

  • Meraux Site

    36 OZONE

    Good 39 PPB 8/19/2026 5:00 PM

    0 SO2

    Good 0.3 PPB 8/19/2026 5:00 PM

  • Monroe Airport Site

    35 OZONE

    Good 38 PPB 8/19/2026 5:00 PM

    41 PM25

    Good 9.737 UG/M3 8/19/2026 6:00 PM

  • New Roads Site

    31 OZONE

    Good 34 PPB 8/19/2026 5:00 PM

  • Norco Site

    0 SO2

    Good 0.3 PPB 8/19/2026 5:00 PM

  • Port Allen Site

    24 OZONE

    Good 26 PPB 8/19/2026 5:00 PM

    21 PM25

    Good 5.114 UG/M3 8/19/2026 6:00 PM

    0 SO2

    Good 0.1 PPB 8/19/2026 5:00 PM

  • Pride Site

    30 OZONE

    Good 32 PPB 8/19/2026 5:00 PM

  • Shreveport Downtown Airport Site

    37 OZONE

    Good 40 PPB 8/19/2026 5:00 PM

    31 PM25

    Good 7.507 UG/M3 8/19/2026 6:00 PM

    0 SO2

    Good 0.7 PPB 8/19/2026 5:00 PM

  • St. James Parish Courthouse Convent Site

    20 OZONE

    Good 22 PPB 8/19/2026 5:00 PM

  • St. James Parish Site

    20 PM25

    Good 4.738 UG/M3 8/19/2026 6:00 PM

    0 SO2

    Good 0.6 PPB 8/19/2026 5:00 PM

  • St. Martinville Site

    23 OZONE

    Good 25 PPB 8/19/2026 5:00 PM

  • Thibodaux Site

    24 OZONE

    Good 26 PPB 8/19/2026 5:00 PM

    21 PM25

    Good 5.076 UG/M3 8/19/2026 6:00 PM

  • Vinton Site

    30 OZONE

    Good 32 PPB 8/19/2026 5:00 PM

    22 PM25

    Good 5.372 UG/M3 8/19/2026 6:00 PM

  • Westlake Site

    24 PM25

    Good 5.838 UG/M3 8/19/2026 6:00 PM

    0 SO2

    Good 0.2 PPB 8/19/2026 5:00 PM

More Information About Understanding AQI Information

The AQI is an index for reporting daily air quality. It tells you how clean or unhealthy your air is, and what associated health effects might be a concern. The AQI focuses on health effects you may experience within a few hours or days after breathing unhealthy air. The following chart provides information regarding the AQI determinations:

Category AQI Value What This Means
Good 0-50 Air quality is considered satisfactory, and air pollution poses little or no risk.
Moderate 51-100 Air quality is acceptable; however, for some pollutants there may be a moderate health concern for a very small number of people who are unusually sensitive to air pollution.
Unhealthy for Sensitive Groups 101-150 Members of sensitive groups may experience health effects. The general public is not likely to be affected.
Unhealthy 151-200 Everyone may begin to experience health effects; members of sensitive groups may experience more serious health effects.
Very Unhealthy 201-300 Health warnings of emergency conditions. The entire population is more likely to be affected.
Hazardous 301-500 Health alert: everyone may experience more serious health effects.

Any questions about interpreting this monitoring data should be directed to the DEQ Customer Services Section at 1-866-896-5337.

TO REPORT ENVIRONMENTAL CONCERNS, INCLUDING ODORS, CONTACT THE DEQ SINGLE POINT OF CONTACT (SPOC) - 225-219-3640 or Toll Free 1-888-763-5424. In the event of an environmental emergency, citizens are encouraged to first contact their local authorities - police, sheriff, fire department, etc. Otherwise citizens and the regulated community can contact the SPOC line to report environmental concerns during business hours, 8 a.m. - 4:30 p.m., Monday through Friday at the number listed above. To report a concern outside of business hours call 225-342-1234 or the toll free number. Concerns include spills, releases, odors, fish kills, open burning, waste tires and any other types of environmental incidents. Citizens can report the incident online.

The data has not been quality reviewed or validated. Continuous PM2.5 readings shown are not NAAQS comparable.