The Infectious risk has trended downward over the last 12 weeks, with the most recent week notably lower than earlier in the window..
Allergy risk activity has stayed relatively flat over the past 12 weeks in Cowlitz, Washington.
No Pollution activity has been reported over the past 12 weeks in Cowlitz, Washington.
Weather risk activity has been climbing over the past 12 weeks in Cowlitz, Washington.
Last updated: July 6, 2026
Data refreshed weekly