As heat waves and wildfire smoke sweep the country, see where it could be affecting you on the map and what you can do to ...

Live AQI maps show Canadian wildfire smoke keeping air quality unhealthy across Michigan, Ohio and much of the Midwest.

Wildfires in Canada, the United States and Mexico often send smoke throughout the continent. Follow our latest coverage here.

For decades, many Americans living in the Midwest assumed the worst heat would always be someone else's problem. That assumption is now being systematically dismantled. Researchers using ...