Aurora Borealis May 2024 Montreal. If an aurora alert catches you in montreal, try to get away from light pollution and tall buildings or trees. Starting on may 7, at least seven coronal mass ejections, or cmes, charged toward earth and began storming our planet on may 10, which was when the.

The most severe geomagnetic storm of the past 20 years is expected to. There may be northern lights in the.