631
AEUS73 KDLH 312107 AAA
AQADLH
AIR QUALITY ALERT MESSAGE...UPDATED
MINNESOTA POLLUTION CONTROL AGENCY
RELAYED BY NATIONAL WEATHER SERVICE DULUTH MN
407 PM CDT THU JUL 31 2025
MNZ010>012-018>021-025-026-033>038-022200-
KOOCHICHING-NORTH ST. LOUIS-NORTHERN COOK AND LAKE-NORTH ITASCA-
CENTRAL ST. LOUIS-SOUTHERN LAKE-SOUTHERN COOK-NORTH CASS-
SOUTH ITASCA-SOUTH CASS-CROW WING-NORTHERN AITKIN-SOUTH AITKIN-
CARLTON AND SOUTH ST. LOUIS-PINE-
INCLUDING THE CITIES OF INTERNATIONAL FALLS, ELY, ISABELLA,
BIGFORK, HIBBING, TWO HARBORS, SILVER BAY, GRAND MARAIS, WALKER,
GRAND RAPIDS, PINE RIVER, BRAINERD, HILL CITY, AITKIN, DULUTH,
PINE CITY, AND HINCKLEY
407 PM CDT THU JUL 31 2025
..AIR QUALITY ALERT CONTINUES UNTIL 5 PM CDT SATURDAY
* 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...WEST CENTRAL, EAST CENTRAL, CENTRAL, SOUTH CENTRAL,
SOUTHEAST, NORTH CENTRAL, NORTHWEST, SOUTHWEST, AND NORTHEAST
MINNESOTA.
* WHEN...UNTIL 5 PM CDT SATURDAY.
* 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...NORTHERLY WINDS WILL CONTINUE TRANSPORTING
WAVES OF HEAVY SURFACE SMOKE FROM WILDFIRES ACROSS MANITOBA AND
SASKATCHEWAN INTO MINNESOTA. SMOKE WILL MOVE SOUTH ACROSS ALL OF
MINNESOTA AND LINGER AT LEAST THROUGH SATURDAY AFTERNOON. THE
SMOKE WILL BE REINFORCED BY AN AREA OF HIGH PRESSURE THAT WILL
CREATE LIGHT WINDS AND LIMIT THE DISPERSION OF SMOKE. THE AIR
QUALITY ALERT CONTINUES FOR ALL OF MINNESOTA AND EXTENDS UNTIL
SATURDAY AFTERNOON WHEN THE AIR QUALITY IS FORECAST TO IMPROVE.
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
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