Wildfire smoke blankets B.C. and Alberta, prompting air quality advisories

Smoke from British Columbia wildfires blanketed part of western Canada from Vancouver Island to central Alberta on Tuesday, prompting air quality advisories in both provinces.
While much of B.C. has been under air quality warnings for days, Environment Canada said Tuesday all of western and central Alberta, including Calgary and Edmonton, will have poor air quality because of smoke from hundreds of B.C. fires.
The national weather agency warned that people may experience coughing, throat irritat