Infectious risk activity has been decreasing over the past 12 weeks in Broomfield, Colorado.
Allergy risk activity has been increasing over the past 12 weeks in Broomfield, Colorado.
No Pollution activity has been reported over the past 12 weeks in Broomfield, Colorado.
Weather risk activity has been increasing over the past 12 weeks in Broomfield, Colorado.
Last updated: May 25, 2026
Data refreshed weekly