August 4, 2021 - The US Interagency Wildland Fire Air Quality Response Program Smoke Outlook for the Dixie Fire in Butte and Plumas Counties for Wednesday.
Fire: The Dixie Fire is now 274,139 acres with 35% containment. Critical fire weather is predicted for Wednesday; a red flag warning is issued for strong southwest winds and low humidity.
Smoke: Smoke columns developed on both the NE and NW sides of the Dixie fire Tuesday. There will again be major smoke impacts north of the fire. Near Lake Almanor, and in Susanville, air quality will reach very unhealthy levels. Alturas may again see unhealthy levels. Janesville-Doyle-Herlong can expect moderate and USG. The Central Valley should see moderate conditions.
Health and Safety:
Smoke may make symptoms worse for people who have pre-existing health conditions or are otherwise sensitive, including: Lung diseases such as asthma, COPD, or emphysema; Respiratory infections, such as pneumonia, acute bronchitis, bronchiolitis, colds, or flu; Heart or circulatory problems, such as irregular heart beat, congestive heart failure, coronary artery disease, and angina; People who have had a heart attack or stroke; Infants and children; Adults over age 65; Pregnant women; Smokers.

Source: Issued by the US Interagency Wildland Fire Air Quality Response Program