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