Geography ❯ North America ❯ Canada ❯ United States

Midwest

Canadian Wildfire Smoke Extends Air Quality Alerts Across Midwest and Northeast

A stagnant high-pressure ridge trapping smoke from hundreds of Canadian blazes is driving unhealthy PM2.5 levels across U.S. regions.

Midwest Remains Under Air Quality Alerts as Canadian Wildfire Smoke Lingers

Canadian Wildfires Send Smoke Across U.S., Prompting Widespread Health Advisories

Wildfires in central Canada force over 25,000 evacuations and spread hazardous smoke into US