The infectious disease risk has shown fluctuation over the past 12 weeks with recent levels lower than some earlier weeks, indicating a generally declining trend in the current period..
Allergen risk has increased from near zero to moderate levels over the last 12 weeks, with a recent slight decrease after reaching a peak..
Pollution risk has remained consistently negligible throughout the past 12 weeks, showing no significant change..
Severe Weather risk has fluctuated but generally decreased slightly in the most recent week compared to prior weeks over the last 12 weeks..
Last updated: May 25, 2026
Data refreshed weekly