The Infectious risk has shown a gradual decrease over the past 12 weeks, bringing current levels down from earlier weeks..
Allergy risk activity has been easing over the past 12 weeks in Whatcom, Washington.
Pollution risk activity has been trending upward over the past 12 weeks in Whatcom, Washington.
Weather risk activity has been climbing over the past 12 weeks in Whatcom, Washington.
Last updated: July 6, 2026
Data refreshed weekly