The Infectious risk has stayed within a narrow range over the past 12 weeks, with low levels persisting through the latest week..
Allergy risk activity has remained stable over the past 12 weeks in Baltimore, Maryland.
No Pollution activity has been reported over the past 12 weeks in Baltimore, Maryland.
Weather risk activity has been easing over the past 12 weeks in Baltimore, Maryland.
Last updated: August 31, 2026
Data refreshed weekly