The Infectious risk has steadily declined over the last 12 weeks, with the most recent week notably lower than earlier in the window..
Allergy risk activity has been decreasing over the past 12 weeks in York, Virginia.
Pollution risk activity has been increasing over the past 12 weeks in York, Virginia.
Weather risk activity has been trending upward over the past 12 weeks in York, Virginia.
Last updated: July 6, 2026
Data refreshed weekly