988
AEUS72 KCAE 222104
AQACAE
AIR QUALITY ALERT MESSAGE
SOUTH CAROLINA DEPARTMENT OF ENVIRONMENTAL SERVICES
RELAYED BY NATIONAL WEATHER SERVICE COLUMBIA SC
449 PM EDT WED APR 22 2026
SCZ020>022-026>028-031-037-240000-
CALHOUN-FAIRFIELD-KERSHAW-LEXINGTON-NEWBERRY-RICHLAND-SALUDA-SUMTER-
449 PM EDT WED APR 22 2026
..AIR QUALITY ALERT IN EFFECT FROM 10 AM TO 8 PM EDT THURSDAY
THE SOUTH CAROLINA DEPARTMENT OF ENVIRONMENTAL SERVICES
IN COLUMBIA SC HAS ISSUED A CODE ORANGE OZONE ACTION DAY FOR THE
CENTRAL MIDLANDS REGION OF SOUTH CAROLINA IN EFFECT FROM 10 AM
TO 8 PM EDT THURSDAY.
STAGNANT HIGH PRESSURE WILL BRING ANOTHER DAY OF LOW HUMIDITY
AND VERY WARM TEMPERATURES TO REGION ON THURSDAY. AS THERE IS
ALREADY A CONSIDERABLE LEVEL OF POLLUTANTS IN THE ATMOSPHERE,
ANOTHER DAY OF THESE CONDITIONS WILL RESULT IN SIGNIFICANT OZONE
PRODUCTION ON THURSDAY. WILDFIRE SMOKE MAY ALSO HELP TO
INCREASE OZONE CONCENTRATIONS ACROSS PARTS OF THE REGION.
ALL THE REMAINING SOUTH CAROLINA FORECAST ZONES ARE PREDICTED
TO HAVE GROUND-LEVEL OZONE PEAKS IN THE YELLOW CATEGORY.
AN OZONE ACTION DAY MEANS THAT ATMOSPHERIC CONDITIONS WILL
LIKELY PRODUCE UNHEALTHY CONCENTRATIONS OF GROUND LEVEL OZONE
AIR POLLUTION. A CODE ORANGE FORECAST INDICATES THAT GROUND
LEVEL OZONE CONCENTRATIONS ARE EXPECTED TO BE UNHEALTHY FOR
SENSITIVE GROUPS, WHICH INCLUDES PEOPLE WITH LUNG DISEASE, OLDER
ADULTS, AND CHILDREN. SENSITIVE GROUPS SHOULD REDUCE PROLONGED
OR HEAVY OUTDOOR EXERTION, TAKE MORE BREAKS, AND DO LESS INTENSE
ACTIVITIES, ESPECIALLY DURING AFTERNOON AND EARLY EVENING
HOURS. YOU CAN HELP PREVENT OZONE POLLUTION BY WALKING OR RIDING
YOUR BICYCLE, TAKING YOUR LUNCH TO WORK, REDUCING IDLING,
CONSERVING ENERGY, AND KEEPING YOUR VEHICLE PROPERLY TUNED. FOR
ADDITIONAL INFORMATION, PLEASE VISIT THE SCDES WEBSITE AT
HTTP://WWW.DES.SC.GOV/OZONE OR THE ENVIRONMENTAL PROTECTION
AGENCY AIRNOW WEBSITE AT HTTPS://WWW.AIRNOW.GOV.
SOUTH CAROLINA AIR QUALITY FORECAST:
DES.SC.GOV/AIRQUALITYFORECAST
SCZ018-025-030-035-GAZ064-065-240000-
AIKEN-BARNWELL-COLUMBIA-EDGEFIELD-MCCORMICK-RICHMOND-
449 PM EDT WED APR 22 2026
..AIR QUALITY ALERT IN EFFECT FROM 10 AM TO 8 PM EDT THURSDAY
THE SOUTH CAROLINA DEPARTMENT OF ENVIRONMENTAL SERVICES
IN COLUMBIA SC HAS ISSUED A CODE ORANGE OZONE ACTION DAY FOR THE
CENTRAL SAVANNAH RIVER REGION OF SOUTH CAROLINA IN EFFECT FROM 10 AM
TO 8 PM EDT THURSDAY.
STAGNANT HIGH PRESSURE WILL BRING ANOTHER DAY OF LOW HUMIDITY
AND VERY WARM TEMPERATURES TO REGION ON THURSDAY. AS THERE IS
ALREADY A CONSIDERABLE LEVEL OF POLLUTANTS IN THE ATMOSPHERE,
ANOTHER DAY OF THESE CONDITIONS WILL RESULT IN SIGNIFICANT OZONE
PRODUCTION ON THURSDAY. WILDFIRE SMOKE MAY ALSO HELP TO
INCREASE OZONE CONCENTRATIONS ACROSS PARTS OF THE REGION.
ALL THE REMAINING SOUTH CAROLINA FORECAST ZONES ARE PREDICTED
TO HAVE GROUND-LEVEL OZONE PEAKS IN THE YELLOW CATEGORY.
AN OZONE ACTION DAY MEANS THAT ATMOSPHERIC CONDITIONS WILL
LIKELY PRODUCE UNHEALTHY CONCENTRATIONS OF GROUND LEVEL OZONE
AIR POLLUTION. A CODE ORANGE FORECAST INDICATES THAT GROUND
LEVEL OZONE CONCENTRATIONS ARE EXPECTED TO BE UNHEALTHY FOR
SENSITIVE GROUPS, WHICH INCLUDES PEOPLE WITH LUNG DISEASE, OLDER
ADULTS, AND CHILDREN. SENSITIVE GROUPS SHOULD REDUCE PROLONGED
OR HEAVY OUTDOOR EXERTION, TAKE MORE BREAKS, AND DO LESS INTENSE
ACTIVITIES, ESPECIALLY DURING AFTERNOON AND EARLY EVENING
HOURS. YOU CAN HELP PREVENT OZONE POLLUTION BY WALKING OR RIDING
YOUR BICYCLE, TAKING YOUR LUNCH TO WORK, REDUCING IDLING,
CONSERVING ENERGY, AND KEEPING YOUR VEHICLE PROPERLY TUNED. FOR
ADDITIONAL INFORMATION, PLEASE VISIT THE SCDES WEBSITE AT
HTTP://WWW.DES.SC.GOV/OZONE OR THE ENVIRONMENTAL PROTECTION
AGENCY AIRNOW WEBSITE AT HTTPS://WWW.AIRNOW.GOV.
SOUTH CAROLINA AIR QUALITY FORECAST:
DES.SC.GOV/AIRQUALITYFORECAST
SCZ115-116-240000-
NORTHERN LANCASTER-SOUTHERN LANCASTER
449 PM EDT WED APR 22 2026
..AIR QUALITY ALERT IN EFFECT FROM 10 AM TO 8 PM EDT THURSDAY
THE SOUTH CAROLINA DEPARTMENT OF ENVIRONMENTAL SERVICES
IN COLUMBIA SC HAS ISSUED A CODE ORANGE OZONE ACTION DAY FOR THE
CATAWBA REGION OF SOUTH CAROLINA IN EFFECT FROM 10 AM
TO 8 PM EDT THURSDAY.
STAGNANT HIGH PRESSURE WILL BRING ANOTHER DAY OF LOW HUMIDITY
AND VERY WARM TEMPERATURES TO REGION ON THURSDAY. AS THERE IS
ALREADY A CONSIDERABLE LEVEL OF POLLUTANTS IN THE ATMOSPHERE,
ANOTHER DAY OF THESE CONDITIONS WILL RESULT IN SIGNIFICANT OZONE
PRODUCTION ON THURSDAY. WILDFIRE SMOKE MAY ALSO HELP TO
INCREASE OZONE CONCENTRATIONS ACROSS PARTS OF THE REGION.
ALL THE REMAINING SOUTH CAROLINA FORECAST ZONES ARE PREDICTED
TO HAVE GROUND-LEVEL OZONE PEAKS IN THE YELLOW CATEGORY.
AN OZONE ACTION DAY MEANS THAT ATMOSPHERIC CONDITIONS WILL
LIKELY PRODUCE UNHEALTHY CONCENTRATIONS OF GROUND LEVEL OZONE
AIR POLLUTION. A CODE ORANGE FORECAST INDICATES THAT GROUND
LEVEL OZONE CONCENTRATIONS ARE EXPECTED TO BE UNHEALTHY FOR
SENSITIVE GROUPS, WHICH INCLUDES PEOPLE WITH LUNG DISEASE, OLDER
ADULTS, AND CHILDREN. SENSITIVE GROUPS SHOULD REDUCE PROLONGED
OR HEAVY OUTDOOR EXERTION, TAKE MORE BREAKS, AND DO LESS INTENSE
ACTIVITIES, ESPECIALLY DURING AFTERNOON AND EARLY EVENING
HOURS. YOU CAN HELP PREVENT OZONE POLLUTION BY WALKING OR RIDING
YOUR BICYCLE, TAKING YOUR LUNCH TO WORK, REDUCING IDLING,
CONSERVING ENERGY, AND KEEPING YOUR VEHICLE PROPERLY TUNED. FOR
ADDITIONAL INFORMATION, PLEASE VISIT THE SCDES WEBSITE AT
HTTP://WWW.DES.SC.GOV/OZONE OR THE ENVIRONMENTAL PROTECTION
AGENCY AIRNOW WEBSITE AT HTTPS://WWW.AIRNOW.GOV.
SOUTH CAROLINA AIR QUALITY FORECAST:
DES.SC.GOV/AIRQUALITYFORECAST
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