The Infectious risk has eased over the past 12 weeks, ending the period well below its earlier peak..
Allergy risk activity has been climbing over the past 12 weeks in Arapahoe, Colorado.
No Pollution activity has been reported over the past 12 weeks in Arapahoe, Colorado.
Weather risk activity has remained stable over the past 12 weeks in Arapahoe, Colorado.
Last updated: August 31, 2026
Data refreshed weekly