Multiple residents near Ross River, Yukon, reported rows of bright, flickering lights seen from the Robert Campbell Highway and over the community. Explanations remain unclear, with theories ranging from natural gas ignitions to human activity or unknown aerial phenomena.

Residents in Hammerfest observed a chain of 15–20 lights crossing the sky, likely a Starlink satellite train. The unusual sight prompted speculation before being linked to satellites.

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.