
Wildfire smoke covers the Denver skyline on May 19, 2023.
Around 150 wildfires are burning across northern Alberta and British Columbia, pouring acrid smoke across western Canada that is carrying south into the United States along the upper-level winds. Smoke has reached into the Pacific Northwest, Rockies, northern Plains and even into the Great Lakes and Mississippi Valley.
Smoky skies have been reported as far south as St. Louis and Paducah, Kentucky and as far west as Seattle and Denver.
Comment: Earthquake Track also reports a 6.5 magnitude aftershock about 20 minutes after the above event.
Details of the earlier earthquake: New Caledonia lifts tsunami warning after 7.7-magnitude quake