The Infectious risk has eased over the past 12 weeks, with the most recent week notably lower than earlier in the window..
Allergy risk activity has been easing over the past 12 weeks in Marion, West Virginia.
Pollution risk activity has been trending upward over the past 12 weeks in Marion, West Virginia.
Weather risk activity has been increasing over the past 12 weeks in Marion, West Virginia.
Last updated: July 13, 2026
Data refreshed weekly