451  
AEUS73 KDLH 102103 AAA  
AQADLH  
 
AIR QUALITY ALERT MESSAGE...UPDATED  
MINNESOTA POLLUTION CONTROL AGENCY  
RELAYED BY NATIONAL WEATHER SERVICE DULUTH MN  
403 PM CDT THU JUL 10 2025  
 
MNZ010-018-025-026-033>036-112300-  
KOOCHICHING-NORTH ITASCA-NORTH CASS-SOUTH ITASCA-SOUTH CASS-  
CROW WING-NORTHERN AITKIN-SOUTH AITKIN-  
INCLUDING THE CITIES OF INTERNATIONAL FALLS, BIGFORK, WALKER,  
GRAND RAPIDS, PINE RIVER, BRAINERD, HILL CITY, AND AITKIN  
403 PM CDT THU JUL 10 2025  
   
..AIR QUALITY ALERT IN EFFECT FROM 6 AM CDT TO 6 PM CDT FRIDAY
 
 
* WHAT...THE MINNESOTA POLLUTION CONTROL AGENCY HAS ISSUED AN AIR  
QUALITY ALERT FOR FINE PARTICLES POLLUTION. THE AIR QUALITY  
INDEX (AQI) IS EXPECTED TO REACH THE RED OR UNHEALTHY CATEGORY.  
 
* WHERE...NORTH-CENTRAL MINNESOTA.  
 
* WHEN...FROM 6 AM CDT TO 6 PM CDT FRIDAY.  
 
* IMPACTS...SOME MEMBERS OF THE GENERAL PUBLIC MAY EXPERIENCE  
HEALTH EFFECTS. SENSITIVE GROUPS, SUCH AS PEOPLE WITH LUNG  
DISEASE (INCLUDING ASTHMA), HEART DISEASE, AND CHILDREN AND  
OLDER ADULTS, MAY EXPERIENCE HEALTH EFFECTS.  
 
* ADDITIONAL DETAILS...HEAVY GROUND-LEVEL SMOKE FROM WILDFIRES IN  
CENTRAL CANADA WILL MOVE INTO NORTHWEST MINNESOTA EARLY FRIDAY  
MORNING BEHIND A COLD FRONT. THE FIRST BAND OF SMOKE WILL  
QUICKLY MOVE ACROSS NORTHERN MINNESOTA DURING THE DAY FRIDAY AND  
REACH NORTHEAST MINNESOTA BY THE EVENING. A SECOND ROUND OF  
SMOKE WILL REACH NORTHWEST MINNESOTA FRIDAY EVENING. THIS ROUND  
OF SMOKE WILL BE MORE WIDESPREAD AND MAY IMPACT THE NORTHERN  
HALF OF THE STATE ON SATURDAY. THE ALERT MAY NEED TO BE EXTENDED  
TO COVER THE SECOND ROUND OF SMOKE. CLEANER AIR WILL MOVE INTO  
THE STATE FROM THE WEST ON SUNDAY AND AIR QUALITY SHOULD IMPROVE  
BEGINNING SUNDAY AFTERNOON.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
SENSITIVE GROUPS, SUCH AS PEOPLE WITH LUNG DISEASE (INCLUDING  
ASTHMA), HEART DISEASE, AND CHILDREN AND OLDER ADULTS, SHOULD  
AVOID PROLONGED OR HEAVY EXERTION. THE GENERAL PUBLIC SHOULD LIMIT  
PROLONGED OR HEAVY EXERTION. REDUCE OR ELIMINATE ACTIVITIES THAT  
CONTRIBUTE TO AIR POLLUTION, SUCH AS OUTDOOR BURNING, AND USE OF  
RESIDENTIAL WOOD BURNING DEVICES. REDUCE VEHICLE TRIPS AND VEHICLE  
IDLING AS MUCH AS POSSIBLE. KEEP WINDOWS CLOSED OVERNIGHT TO  
PREVENT SMOKE FROM GETTING INDOORS.  
 

 
 
FOR INFORMATION ON CURRENT AIR QUALITY CONDITIONS IN YOUR AREA  
AND TO SIGN UP FOR DAILY AIR QUALITY FORECASTS AND ALERT  
NOTIFICATIONS BY EMAIL, TEXT MESSAGE, PHONE, OR THE EPA AIRNOW  
MOBILE APP, VISIT HTTPS://WWW.PCA.STATE.MN.US/AIR-WATER-LAND-  
CLIMATE/CURRENT-AIR- QUALITY-CONDITIONS. YOU CAN FIND ADDITIONAL  
INFORMATION ABOUT HEALTH AND AIR QUALITY AT  
HTTPS://WWW.PCA.STATE.MN.US/AIR-WATER-LAND-CLIMATE/AIR-QUALITY-  
AND-HEALTH.  
 

 
 
MPCA/LUECK  
 
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