Reykjavík’s Health Inspection warns of high particulate matter near major roads in Reykjavík and Kópavogur during calm, dry weather, advising children, older adults, and people with respiratory illness to avoid busy roads and for the public to use alternatives to private cars.

SMHI warned of icy conditions in northern Sweden, and Skellefteå’s ER saw a surge of patients injured in falls. Staff report “casting non‑stop,” with most injuries linked to extremely slippery streets and sidewalks.