The Infectious risk has eased over the past 12 weeks, ending the period well below its earlier peak..
Allergy risk activity has been easing over the past 12 weeks in Cowlitz, Washington.
Pollution risk activity has been trending upward over the past 12 weeks in Cowlitz, Washington.
Weather risk activity has been increasing over the past 12 weeks in Cowlitz, Washington.
Last updated: August 31, 2026
Data refreshed weekly