581  
AEUS73 KFSD 201734  
AQAFSD  
 
AIR QUALITY ALERT MESSAGE  
MINNESOTA POLLUTION CONTROL AGENCY  
RELAYED BY NATIONAL WEATHER SERVICE SIOUX FALLS SD  
1142 AM CDT MON AUG 20 2018  
 
MNZ071-072-080-081-089-090-097-098-211400-  
COTTONWOOD-JACKSON-LINCOLN-LYON-MURRAY-NOBLES-PIPESTONE-ROCK-  
INCLUDING THE CITIES OF MARSHALL AND WORTHINGTON  
1142 AM CDT MON AUG 20 2018  
 
...AIR QUALITY ALERT IN EFFECT FROM 11 AM TODAY THROUGH 9 AM  
TUESDAY...  
 
THE MINNESOTA POLLUTION CONTROL AGENCY HAS ISSUED AN AIR QUALITY  
ALERT FOR FINE PARTICLE POLLUTION FOR SOUTHWEST MINNESOTA.  
 
A NARROW BUT THICK BAND OF WILDFIRE SMOKE ORIGINATING FROM BRITISH  
COLUMBIA IS CURRENTLY OVER CENTRAL AND NORTHEAST MINNESOTA THIS  
MORNING. AIR POLLUTION MONITORS SHOW FINE PARTICULATES GREATER THAN  
AN AIR QUALITY INDEX (AQI) VALUE OF 101 (ORANGE) IN THIS AREA. THIS  
PLUME OF SMOKE IS EXPECTED TO MOVE SOUTH DURING THE DAY AND PERSIST  
INTO THE OVERNIGHT. DURING THIS TIME, FINE PARTICLE POLLUTION IS  
EXPECTED TO REMAIN AT, OR ABOVE, A LEVEL THAT IS CONSIDERED UNHEALTHY  
FOR SENSITIVE GROUPS. CONDITIONS WILL BEGIN TO IMPROVE OVERNIGHT FROM  
NORTH TO SOUTH AS THE SMOKE PLUME BEGINS TO EXIT THE REGION. THE  
SMOKE IS EXPECTED TO EXIT THE STATE COMPLETELY BY 9 A.M. TOMORROW.  
 
 
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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