The summer of 2025 has brought some of the worst air quality ever recorded to large parts of the United States. Cities across ...

About 3,200 Boeing workers at facilities in St. Louis and other locations voted to reject a modified four-year labor ...

Hundreds of wildfires still burning in Canada are expected to undermine air quality across the Upper Midwest and Northeast ...

The "unhealthy" air, which ranks as level four of six on the Air Quality Index, comes after multiple consecutive days of air quality alerts.

Air quality alerts were in effect in Iowa, Minnesota, Wisconsin and Michigan, as well as eastern Nebraska and parts of ...

Smoke from Canadian wildfires has drifted into the Midwest and northeastern US, causing hazy skies and prompting air quality ...

Smoke from widespread Canadian wildfires has spread into the US, particularly affecting the Midwest and Northeast, leading to ...

Health officials from Minnesota to Maine have issued alerts warning of poor air quality from wildfires burning in Canada.