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