Lake County and Mendocino County’s inland region is experiencing unhealthy air condtions due to the Flat Fire in Oregon, especially in Anderson Valley along Highway 101 from Laytonville south into Sonoma County. According to the National Weather Service, Mendocino County, from Westport to Willits, Covelo to Boonville — can anticipate patchy smoke and hazy conditions. You can monitor air quality in the area by going to purpleair.com.