The Infectious risk has shown little change over the last 12 weeks, showing no notable shift in recent weeks..
Allergy risk activity has been trending downward over the past 12 weeks in Madison, Virginia.
Pollution risk activity has been trending upward over the past 12 weeks in Madison, Virginia.
Weather risk activity has been increasing over the past 12 weeks in Madison, Virginia.
Last updated: July 6, 2026
Data refreshed weekly