The Infectious risk has stayed within a narrow range over the last 12 weeks, with high levels persisting through the latest week..
Allergy risk activity has been decreasing over the past 12 weeks in Washington, Virginia.
No Pollution activity has been reported over the past 12 weeks in Washington, Virginia.
Weather risk activity has been climbing over the past 12 weeks in Washington, Virginia.
Last updated: July 6, 2026
Data refreshed weekly