Over the past 12 weeks, infectious disease risk has fluctuated with some peaks and decreases, and the current week shows a slight decline compared to recent weeks..
Allergen risk was minimal early on but has increased notably in recent weeks, reaching a peak before slightly decreasing in the current week..
Pollution risk has remained consistently very low and stable throughout the entire period without significant changes..
Severe Weather risk has shown intermittent increases over the last 12 weeks with no sustained pattern, and there is a recent upward trend in the current week..
Last updated: May 24, 2026
Data refreshed weekly