The infectious disease risk has generally decreased over the past 12 weeks, reaching a lower level this week compared to earlier weeks..
The allergens risk increased mid-period and has fluctuated moderately before declining somewhat in the most recent week..
The pollution risk has remained consistently negligible throughout the entire 12-week period..
The Severe Weather risk index showed a significant decline early on with some fluctuations, ending slightly lower than mid-period peaks but elevated compared to the lowest points..
Last updated: May 24, 2026
Data refreshed weekly