The Infectious risk has held relatively steady over the last 12 weeks, with moderate levels persisting through the latest week..
Allergy risk activity has been decreasing over the past 12 weeks in Sitka, Alaska.
No Pollution activity has been reported over the past 12 weeks in Sitka, Alaska.
Weather risk activity has stayed relatively flat over the past 12 weeks in Sitka, Alaska.
Last updated: August 31, 2026
Data refreshed weekly