Low Covid-19 risk in Calvert, Maryland.
Low Flu risk in Calvert, Maryland.
Low Rsv risk in Calvert, Maryland.
Low Infectious risk in Calvert, Maryland.
High Allergy risk in Calvert, Maryland.
Low Pollution risk in Calvert, Maryland.
Low Weather risk in Calvert, Maryland.
Last updated: April 20, 2026
Data refreshed weekly