294  
AEUS73 KMKX 310049  
AQAMKX  
 
AIR QUALITY ALERT MESSAGE  
WISCONSIN DEPARTMENT OF NATURAL RESOURCES MADISON WI  
RELAYED BY NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI  
749 PM CDT WED JUL 30 2025  
 
WIZ046-047-051-052-056>060-062>072-311700-  
MARQUETTE-GREEN LAKE-FOND DU LAC-SHEBOYGAN-SAUK-COLUMBIA-DODGE-  
WASHINGTON-OZAUKEE-IOWA-DANE-JEFFERSON-WAUKESHA-MILWAUKEE-  
LAFAYETTE-GREEN-ROCK-WALWORTH-RACINE-KENOSHA-  
INCLUDING THE CITIES OF MONTELLO, WESTFIELD, OXFORD, NESHKORO,  
ENDEAVOR, BERLIN, PRINCETON, MARKESAN, FOND DU LAC, PLYMOUTH,  
SHEBOYGAN FALLS, HOWARDS GROVE, OOSTBURG, BARABOO, REEDSBURG,  
PRAIRIE DU SAC, SAUK CITY, PORTAGE, COLUMBUS, LAKE WISCONSIN,  
LODI, BEAVER DAM, WAUPUN, MAYVILLE, WEST BEND, GERMANTOWN,  
HARTFORD, MEQUON, CEDARBURG, GRAFTON, DODGEVILLE, MINERAL POINT,  
BARNEVELD, MADISON, WATERTOWN, FORT ATKINSON, JEFFERSON,  
WAUKESHA, BROOKFIELD, NEW BERLIN, MENOMONEE FALLS, MUSKEGO,  
MILWAUKEE, DARLINGTON, SHULLSBURG, BENTON, BELMONT, ARGYLE,  
BLANCHARDVILLE, MONROE, BRODHEAD, JANESVILLE, BELOIT, WHITEWATER,  
DELAVAN, ELKHORN, LAKE GENEVA, EAST TROY, RACINE, AND KENOSHA  
749 PM CDT WED JUL 30 2025  
 
THE WISCONSIN DEPARTMENT OF NATURAL RESOURCES HAS ISSUED AN AIR  
QUALITY ADVISORY FOR THE FOLLOWING COUNTIES: COLUMBIA, DANE,  
DODGE, FOND DU LAC, GREEN, GREEN LAKE, IOWA, JEFFERSON, KENOSHA,  
LAFAYETTE, MARQUETTE, MILWAUKEE, OZAUKEE, RACINE, ROCK, SAUK,  
SHEBOYGAN, WALWORTH, WASHINGTON, WAUKESHA.  
 
WHAT...THE PM2.5 AQI IS EXPECTED TO REACH THE UNHEALTHY FOR  
SENSITIVE GROUPS (USG) TO UNHEALTHY LEVEL.  
 
WHERE...ALL OF WISCONSIN.  
 
WHEN...UNTIL NOON THURSDAY, JULY 31.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS:  
SENSITIVE GROUPS: CONSIDER RESCHEDULING OR MOVING ALL ACTIVITIES  
INSIDE. GO INSIDE IF YOU HAVE SYMPTOMS.  
 
PEOPLE WITH ASTHMA: FOLLOW YOUR ASTHMA ACTION PLAN AND KEEP  
QUICK-RELIEF MEDICINE HANDY.  
 
PEOPLE WITH HEART DISEASE: SYMPTOMS SUCH AS PALPITATIONS,  
SHORTNESS OF BREATH, OR UNUSUAL FATIGUE MAY INDICATE A SERIOUS  
PROBLEM. IF YOU HAVE ANY OF THESE, CONTACT YOUR HEALTH CARE  
PROVIDER.  
 
EVERYONE ELSE: KEEP OUTDOOR ACTIVITIES SHORTER AND LESS INTENSE.  
GO INSIDE IF YOU HAVE SYMPTOMS.  
 
ADDITIONAL DETAILS:  
CANADIAN WILDFIRE SMOKE WILL IMPACT WISCONSIN'S SURFACE AIR  
QUALITY OVER THE COMING DAYS, CAUSING THE PM2.5 AIR QUALITY INDEX  
(AQI) TO RANGE FROM THE UNHEALTHY FOR SENSITIVE GROUPS (USG;  
ORANGE) CATEGORY TO THE UNHEALTHY (RED) CATEGORY. IT WILL BE  
POSSIBLE FOR NOWCAST AQI VALUES TO REACH THE VERY UNHEALTHY  
(PURPLE) CATEGORY.  
 
SMOKE IMPACTS ARE ALREADY BEING OBSERVED IN NORTHERN WISCONSIN ON  
TUESDAY MORNING, AND THE SMOKE IS EXPECTED TO SLOWLY TRAVEL SOUTH  
THROUGH NORTHERN WISCONSIN TUESDAY. OVERNIGHT TUESDAY INTO  
WEDNESDAY MORNING, THE SMOKE WILL CONTINUE SOUTH, IMPACTING MOST  
OF THE STATE BY NOON WEDNESDAY. THE SMOKE IS THEN EXPECTED TO  
LINGER OVER THE STATE FROM NOON WEDNESDAY UNTIL NOON THURSDAY. WE  
MAY SEE BRIEF IMPROVEMENTS IN AIR QUALITY ON THURSDAY BEFORE  
SMOKE MOVES BACK INTO NORTHERN AREAS ON FRIDAY. STAY TUNED TO THE  
AIR QUALITY FORECAST AS CONDITIONS CAN CHANGE QUICKLY DURING  
WILDFIRE SMOKE EVENTS.  
 
FOR MORE INFORMATION ON CURRENT AIR QUALITY, PLEASE SEE:  
HTTPS://AIRQUALITY.WI.GOV  
 

 
 
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