The Infectious risk has eased over the past 12 weeks, ending the period well below its earlier peak..
Allergy risk activity has remained stable over the past 12 weeks in Pennington, South Dakota.
No Pollution activity has been reported over the past 12 weeks in Pennington, South Dakota.
Weather risk activity has been easing over the past 12 weeks in Pennington, South Dakota.
Last updated: July 6, 2026
Data refreshed weekly