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 been trending downward over the past 12 weeks in Klickitat, Washington.
Pollution risk activity has been increasing over the past 12 weeks in Klickitat, Washington.
Weather risk activity has been decreasing over the past 12 weeks in Klickitat, Washington.
Last updated: August 24, 2026
Data refreshed weekly