The Infectious risk has shown an upward trend over the last 12 weeks, ending the period at its highest level..
Allergy risk activity has been climbing over the past 12 weeks in Campbell, South Dakota.
Pollution risk activity has been increasing over the past 12 weeks in Campbell, South Dakota.
Weather risk activity has been easing over the past 12 weeks in Campbell, South Dakota.
Last updated: August 24, 2026
Data refreshed weekly