The Infectious risk has eased over the past 12 weeks, with the most recent week notably lower than earlier in the window..
Allergy risk activity has been increasing over the past 12 weeks in Gregory, South Dakota.
No Pollution activity has been reported over the past 12 weeks in Gregory, South Dakota.
Weather risk activity has been easing over the past 12 weeks in Gregory, South Dakota.
Last updated: July 6, 2026
Data refreshed weekly