Metro Vancouver issues air-quality warning as smoky shroud envelopes Western Canada

VANCOUVER - The Metro Vancouver regional district has issued an air-quality warning as a dense shroud of wildfire smoke descends over much of Western Canada.

Environment Canada has also expanded air-quality bulletins to more than 30 areas stretching from the Lower Mainland to the far northeastern corner of British Columbia, while higher-level warnings are in effect across most of Alberta and a portion of northwestern Saskatchewan.