483  
AEUS73 KUNR 300802  
AQAUNR  
SDZ026-010100-  
 
AIR QUALITY ALERT MESSAGE  
WYOMING AIR QUALITY DIVISION  
RELAYED BY THE NATIONAL WEATHER SERVICE RAPID CITY SD  
202 AM MDT WED SEP 30 2020  
 
...AIR POLLUTION ALERT FOR DUST FOR RAPID CITY WEST OF THE GAP IN  
EFFECT FROM 900 AM MDT UNTIL 700 PM MDT...  
 
NORTHWEST WINDS WILL INCREASE THIS MORNING TO 25 TO 35 MPH WITH SOME  
GUSTS TO 50 MPH. THE WINDS WILL SUBSIDE EARLY THIS EVENING. THE  
GUSTY WINDS WILL SUSPEND FINE DUST IN THE AIR OVER WEST RAPID CITY  
PRODUCING POOR AIR QUALITY.  
 
THE RAPID CITY AIR QUALITY OFFICE RECOMMENDS THE ELDERLY, YOUNG,  
AND ANYONE WITH RESPIRATORY PROBLEMS AVOID EXCESSIVE PHYSICAL  
EXERTION AND EXPOSURE TO THE OUTSIDE AIR.  
 
VOLUNTARY ACTIONS TO REDUCE DUST POLLUTION INCLUDE, CEASING OR  
REDUCING THE MANIPULATION OF SOIL IN CONSTRUCTION, INDUSTRIAL,  
AND AGRICULTURAL ACTIVITIES, AND INCREASING THE USE OF POLLUTION  
CONTROLS FOR SOIL STABILIZATION, WASTE PITS, STOCK PILES, AND  
CONSTRUCTION  
SITES.  
 

 
 
HOURLY DUST CONCENTRATIONS ARE AVAILABLE ON THE DENR WEB PAGE  
HTTP://DENR.SD.GOV/DES/AQ/AAREALTIME.ASPX  
 

 
 
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