The Infectious risk has shown a gradual increase over the last 12 weeks, ending the period at its highest level..
Allergy risk activity has been climbing over the past 12 weeks in Blair, Pennsylvania.
No Pollution activity has been reported over the past 12 weeks in Blair, Pennsylvania.
Weather risk activity has been easing over the past 12 weeks in Blair, Pennsylvania.
Last updated: August 31, 2026
Data refreshed weekly