The Infectious risk has shown little change over the last 12 weeks, with the most recent week close to the 12-week average..
Allergy risk activity has been increasing over the past 12 weeks in Polk, Nebraska.
No Pollution activity has been reported over the past 12 weeks in Polk, Nebraska.
Weather risk activity has been easing over the past 12 weeks in Polk, Nebraska.
Last updated: August 31, 2026
Data refreshed weekly