The Infectious risk has trended steadily upward over the past 12 weeks, with the most recent week notably higher than earlier in the window..
Allergy risk activity has been trending upward over the past 12 weeks in Amherst, Virginia.
No Pollution activity has been reported over the past 12 weeks in Amherst, Virginia.
Weather risk activity has been increasing over the past 12 weeks in Amherst, Virginia.
Last updated: August 24, 2026
Data refreshed weekly