Infectious risk activity has been increasing over the past 12 weeks in Butte, California.
Allergy risk activity has been increasing over the past 12 weeks in Butte, California.
No Pollution activity has been reported over the past 12 weeks in Butte, California.
Weather risk activity has been increasing over the past 12 weeks in Butte, California.
Last updated: May 24, 2026
Data refreshed weekly