000 AEUS71 KRNK 221921 AQIRNK VAZ022-232100- AIR QUALITY FORECAST NATIONAL WEATHER SERVICE BLACKSBURG VA 320 PM EDT FRI SEP 22 2023 AIR QUALITY FORECASTS FOR THE ROANOKE AREA ARE PROVIDED BY THE VIRGINIA DEPARTMENT OF ENVIRONMENTAL QUALITY. THE ROANOKE AREA FORECAST FOR FRIDAY IS CODE LEVEL GREEN, WHICH IS GOOD. THE PRIMARY POLLUTANTS ARE PARTICLES. $$