Infectious risk activity has been decreasing over the past 12 weeks in Marion, Oregon.
Allergen risk has increased steadily over the last 12 weeks, currently remaining elevated compared to earlier weeks, indicating a rising trend in allergy-related health concerns..
Pollution risk has remained consistently low and stable over the past 12 weeks, showing no significant changes or upward trends..
Severe Weather risk has shown notable fluctuations over the last 12 weeks with recent weeks experiencing higher and more variable levels, reflecting an increasing trend at present..
Last updated: May 24, 2026
Data refreshed weekly