The Infectious risk has trended steadily upward over the last 12 weeks, ending the period at its highest level..
Allergy risk activity has been decreasing over the past 12 weeks in Spokane, Washington.
Pollution risk activity has been climbing over the past 12 weeks in Spokane, Washington.
Weather risk activity has been climbing over the past 12 weeks in Spokane, Washington.
Last updated: August 24, 2026
Data refreshed weekly