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