Ohio under air quality alert from Canadian wildfire smoke
Wildfire smoke from Canada and Minnesota pushed farther into the U.S., engulfing Washington, D.C. in haze on July 18, 2026. Millions in the Great Lakes, Northeast, and Mid-Atlantic experienced unhealthy air. The Cleveland Guardians postponed their MLB game. A National Weather Service forecaster said smoky conditions could persist for at least a week as fires continue to burn.