The Infectious risk has shown a gradual decrease over the last 12 weeks, bringing current levels down from earlier weeks..
Allergy risk activity has been decreasing over the past 12 weeks in Lewis, Washington.
No Pollution activity has been reported over the past 12 weeks in Lewis, Washington.
Weather risk activity has been climbing over the past 12 weeks in Lewis, Washington.
Last updated: July 6, 2026
Data refreshed weekly