According to a ranking by IQ Air, a Swiss air-technology company, Chicago had the worst air quality in the world for a few ...

National Weather Service officials called an air quality alert in effect until midnight as well as a beach hazard warning.

Smoke from Canadian wildfires hovered over several Midwestern states Saturday, bringing warnings of unhealthy air for at ...

Air quality warnings covering the whole state are expected to remain in place through Saturday due to Canadian wildfire smoke ...

Smoke from Canadian wildfires have continued to drift over the Midwest, blanketing the region with haze and poor air quality, prompting the National Weather Service (NWS) and local departments to ...

Minneapolis has one of the worst air qualities in the world on Thursday morning, with officials warning the smoky air is ...

Wildfire smoke from the Prairies has prompted special air-quality statements and warnings across the country Saturday. Smoke from forest fires is causing reduced visibility and poor air quality that ...

Wildfire smoke from Canada is blanketing the skies in the Midwest, leaving millions with dangerous breathing conditions.

Minnesotans are again confronting hazy, choking air due to smoke from wildfires blazing through Canada. The Minnesota ...

A cold front is bringing storms and lower temperatures to parts of the country, while the Midwest sees poor air quality from ...