Infectious risk activity has been decreasing over the past 12 weeks in Chelan, Washington.
Allergy risk activity has been increasing over the past 12 weeks in Chelan, Washington.
No Pollution activity has been reported over the past 12 weeks in Chelan, Washington.
Weather risk activity has been increasing over the past 12 weeks in Chelan, Washington.
Last updated: May 25, 2026
Data refreshed weekly