The Infectious risk has shown an upward trend over the past 12 weeks, ending the period at its highest level..
Allergy risk activity has stayed relatively flat over the past 12 weeks in Prince William, Virginia.
No Pollution activity has been reported over the past 12 weeks in Prince William, Virginia.
Weather risk activity has been climbing over the past 12 weeks in Prince William, Virginia.
Last updated: August 24, 2026
Data refreshed weekly
Get today's Prince William County health risks — Download bub