Minnesota, Wisconsin, Iowa and parts of Nebraska and Michigan were under air quality alerts on Tuesday, with advisories for ...

Intermittent thick smoke can be expected over Iowa with the heaviest band stretching across the state from the southwest ...

Smoke from Canadian wildfires has carried another day of poor air quality south of the border to the American Midwest.

Air quality alerts stretch from Alberta to parts of northern Ontario, according to Environment and Climate Change Canada, ...

Canadian Wildfires continued to burn, and smoke from the Canada fires could be affecting U.S. air quality in several states, including Illinois ...