The Infectious risk has eased over the past 12 weeks, ending the period well below its earlier peak..
Allergy risk activity has been easing over the past 12 weeks in Grant, South Dakota.
No Pollution activity has been reported over the past 12 weeks in Grant, South Dakota.
Weather risk activity has been trending downward over the past 12 weeks in Grant, South Dakota.
Last updated: August 31, 2026
Data refreshed weekly