The Infectious risk has eased over the past 12 weeks, ending the period well below its earlier peak..
Allergy risk activity has been climbing over the past 12 weeks in Sonoma, California.
No Pollution activity has been reported over the past 12 weeks in Sonoma, California.
Weather risk activity has been trending upward over the past 12 weeks in Sonoma, California.
Last updated: August 31, 2026
Data refreshed weekly