Friday, 11:30am, Nov 16, 2018: The fires in Paradise, CA are affecting the air quality in Sonoma County and Napa Valley. Many businesses have cancelled events that normally take place outside due to poor air quality. Please call ahead to check if your planned activity in Sonoma County, today and/or this weekend, has been cancelled or moved indoors. Currently, air quality in Sonoma County is Red (Unhealthy).