Low Covid-19 risk in Marin, California.
Moderate Flu activity in Marin, California.
Low Rsv risk in Marin, California.
Low Infectious risk in Marin, California.
Low Allergy risk in Marin, California.
Low Pollution risk in Marin, California.
Low Weather risk in Marin, California.
Last updated: April 20, 2026
Data refreshed weekly