The infectious disease risk over the past 12 weeks has exhibited fluctuations with intermittent peaks, and the current week's risk remains moderate relative to recent weeks..
Allergens risk has generally increased throughout the past 12 weeks, reaching higher levels mid-period and sustaining an elevated risk in the current week compared to earlier weeks..
Pollution risk has remained consistently low and stable over the last 12 weeks, showing no significant change in the current week..
Severe Weather risk has varied noticeably in the past 12 weeks, with recent weeks showing a rising trend that has slightly decreased in the current week but remains elevated compared to the low points earlier in the period..
Last updated: May 24, 2026
Data refreshed weekly