647  
AEUS73 KARX 171721  
AQAARX  
 
AIR QUALITY ALERT MESSAGE  
MINNESOTA POLLUTION CONTROL AGENCY  
RELAYED BY NATIONAL WEATHER SERVICE LA CROSSE WI  
1221 PM CDT FRI AUG 17 2018  
 
MNZ079-086-087-088-094-095-096-191700-  
DODGE-FILLMORE-HOUSTON-MOWER-OLMSTED-WABASHA-WINONA-  
INCLUDING THE CITIES OF ROCHESTER AND WINONA  
1221 PM CDT FRI AUG 17 2018  
 
...AIR QUALITY ALERT IN EFFECT FROM 10 PM TONIGHT THROUGH  
NOON SUNDAY...  
 
THE MINNESOTA POLLUTION CONTROL AGENCY HAS ISSUED AN AIR QUALITY  
ALERT FOR FINE PARTICLE POLLUTION FOR SOUTHEASTERN MINNESOTA.  
 
CANADIAN WILDFIRE SMOKE ORIGINATING FROM BRITISH COLUMBIA, ALBERTA,  
AND WESTERN ONTARIO WILL CONTINUE TO AFFECT MINNESOTA FRIDAY  
AFTERNOON AND EVENING AS IT MOVES FROM NORTH TO SOUTH ACROSS THE  
STATE.  
 
AIR POLLUTION MONITORS SHOW A RAPID RISE IN FINE PARTICLES  
WITH VALUES APPROACHING AN AIR QUALITY INDEX (AQI) VALUE OF 101  
(ORANGE)IN NORTHERN MINNESOTA. THIS PLUME OF SMOKE OVER NORTHERN  
MINNESOTA IS EXPECTED TO MOVE SOUTH DURING THE DAY. WAVES OF SMOKE  
WILL MOVE OVER THE STATE WITH AIR QUALITY BEGINNING TO BE IMPACTED IN  
SOUTHEAST MINNESOTA ON SATURDAY.  
 
PERIODS OF SMOKE ARE EXPECTED TO PERSIST IN THIS AREA THROUGH  
SUNDAY MORNING. DURING THIS TIME, FINE PARTICLE POLLUTION IS  
EXPECTED TO REMAIN AT, OR ABOVE, A LEVEL THAT IS CONSIDERED  
UNHEALTHY FOR SENSITIVE GROUPS. BY SUNDAY AFTERNOON WINDS WILL  
SWITCH TO THE SOUTH IMPROVING AIR QUALITY CONDITIONS.  
 
AN AIR QUALITY ALERT IS ISSUED WHEN THE AQI IS EXPECTED TO REACH OR  
EXCEED 101, A LEVEL CONSIDERED UNHEALTHY FOR SENSITIVE GROUPS.  
SENSITIVE GROUPS, SUCH AS PEOPLE WITH LUNG DISEASE (INCLUDING  
ASTHMA), HEART DISEASE, CHILDREN AND OLDER ADULTS, AND PEOPLE WHO ARE  
ACTIVE OUTDOORS SHOULD LIMIT PROLONGED EXERTION.  
 
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 MINNESOTA AIR MOBILE APP, VISIT  
HTTPS://WWW.PCA.STATE.MN.US/AIR/CURRENT-AIR-QUALITY.  
 

 
 
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