The Infectious risk has eased over the last 12 weeks, bringing current levels down from earlier weeks..
Allergy risk activity has been trending downward over the past 12 weeks in Harrison, West Virginia.
Pollution risk activity has been trending upward over the past 12 weeks in Harrison, West Virginia.
Weather risk activity has been trending upward over the past 12 weeks in Harrison, West Virginia.
Last updated: July 13, 2026
Data refreshed weekly