Geography ❯ North America ❯ United States ❯ Midwest

Northeast

Canadian Wildfire Smoke Chokes U.S. Midwest to Northeast

High PM2.5 levels pose immediate health dangers with the potential to keep communities under air alerts for days.

Canadian Wildfires Send Hazardous Smoke Over U.S. Midwest and Northeast

Wildfire Smoke From Ontario and Minnesota Drives Widespread Air‑Quality Alerts Across Northeast and Midwest

Canadian Wildfire Smoke Sustains Unhealthy Air Quality in Midwest and Northeast

Canadian Wildfire Smoke Extends Air Quality Alerts Across Midwest and Northeast