Current Monitoring Data & AQI

  • Baton Rouge Capitol Site

    37 OZONE

    Good 40 PPB 9/21/2026 7:00 PM

    29 PM25

    Good 7.055 UG/M3 9/21/2026 8:00 PM

    0 SO2

    Good 0 PPB 9/21/2026 7:00 PM

  • Baton Rouge LSU Site

    45 OZONE

    Good 49 PPB 9/21/2026 7:00 PM

  • Bayou Plaquemine Site

    18 OZONE

    Good 19 PPB 9/21/2026 2:00 AM

  • Carlyss Site

    67 OZONE

    Moderate 60 PPB 9/21/2026 7:00 PM

  • Carville Site

    80 OZONE

    Moderate 64 PPB 9/21/2026 7:00 PM

  • Chalmette Vista Site

    39 PM25

    Good 9.366 UG/M3 9/21/2026 8:00 PM

    1 SO2

    Good 1.2 PPB 9/21/2026 7:00 PM

  • Dixie Site

    47 OZONE

    Good 51 PPB 9/21/2026 7:00 PM

  • Dutchtown Site

    22 OZONE

    Good 24 PPB 9/21/2026 2:00 AM

  • French Settlement Site

    36 OZONE

    Good 39 PPB 9/21/2026 7:00 PM

    31 PM25

    Good 7.404 UG/M3 9/21/2026 8:00 PM

  • Garyville Site

    14 OZONE

    Good 15 PPB 9/21/2026 11:00 AM

  • I-610 Site New Orleans

    43 PM25

    Good 10.284 UG/M3 9/21/2026 8:00 PM

  • Kenner Site

    43 OZONE

    Good 46 PPB 9/21/2026 7:00 PM

    37 PM25

    Good 8.996 UG/M3 9/21/2026 8:00 PM

  • Lafayette USGS Site

    44 OZONE

    Good 48 PPB 9/21/2026 7:00 PM

    34 PM25

    Good 8.165 UG/M3 9/21/2026 8:00 PM

  • Madisonville/Northshore Site

    40 OZONE

    Good 43 PPB 9/21/2026 7:00 PM

  • Marrero Site

    Temporary Located Community Site

    38 PM25

    Good 9.087 UG/M3 9/21/2026 8:00 PM

    0 SO2

    Good 0.7 PPB 9/21/2026 7:00 PM

  • Meraux Site

    40 OZONE

    Good 43 PPB 9/21/2026 7:00 PM

    0 SO2

    Good 0.1 PPB 9/21/2026 7:00 PM

  • Monroe Airport Site

    44 OZONE

    Good 48 PPB 9/21/2026 7:00 PM

    73 PM25

    Moderate 22.537 UG/M3 9/21/2026 8:00 PM

  • New Roads Site

    24 OZONE

    Good 26 PPB 9/21/2026 2:00 PM

  • Norco Site

    0 SO2

    Good 0.6 PPB 9/21/2026 7:00 PM

  • Port Allen Site

    41 OZONE

    Good 44 PPB 9/21/2026 7:00 PM

    35 PM25

    Good 8.318 UG/M3 9/21/2026 8:00 PM

    0 SO2

    Good 0 PPB 9/21/2026 7:00 PM

  • Pride Site

    19 OZONE

    Good 21 PPB 9/21/2026 2:00 AM

  • Shreveport Downtown Airport Site

    43 OZONE

    Good 46 PPB 9/21/2026 7:00 PM

    49 PM25

    Good 11.846 UG/M3 9/21/2026 8:00 PM

    0 SO2

    Good 0.9 PPB 9/21/2026 7:00 PM

  • St. James Parish Courthouse Convent Site

    39 OZONE

    Good 42 PPB 9/21/2026 7:00 PM

  • St. James Parish Site

    31 PM25

    Good 7.51 UG/M3 9/21/2026 8:00 PM

    0 SO2

    Good 0.8 PPB 9/21/2026 7:00 PM

  • St. Martinville Site

    40 OZONE

    Good 43 PPB 9/21/2026 7:00 PM

  • Thibodaux Site

    39 OZONE

    Good 42 PPB 9/21/2026 7:00 PM

    38 PM25

    Good 9.006 UG/M3 9/21/2026 8:00 PM

  • Vinton Site

    44 OZONE

    Good 48 PPB 9/21/2026 7:00 PM

    24 PM25

    Good 5.751 UG/M3 9/21/2026 8:00 PM

  • Westlake Site

    30 PM25

    Good 7.171 UG/M3 9/21/2026 8:00 PM

    0 SO2

    Good 0.4 PPB 9/21/2026 7:00 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.