The Air Quality Index (AQI) uses a color-coded scale to inform the public about air pollution levels and potential health ...

Smoke from the Canadian wildfires continues to bring potentially dangerous air quality to parts of the northern U.S., with ...

Smoke from Canadian wildfires continues to plague the Upper Midwest and Great Lakes region, with multiple states under air ...

Smoke from Canadian wildfires began to worsen air quality in the eastern U.S. on Wednesday as several Midwestern states ...

Wildfires are still raging in Canada, where there have been dozens of active fires, and over 33,000 people have been forced ...

An air quality advisory is expected to remain in effect until noon June 6 as Michigan continues to see effects of Canadian ...

Smoke from Canadian wildfires is engulfing much of the eastern and central United States and and is expected to continue for ...

An air quality alert is in effect until midnight Thursday for the Chicago area as Canadian wildfires continue.

Canadian wildfires continue to burn, and plumes of smoke linger over Michigan. Air quality advisories, alerts on June 5.

Another large fire exacerbated by climate change is threatening the health of Chicagoans. Government officials issued an air ...

Although the majority of wildfires are occurring in western Canada, smoke from these fires has been drifting eastward, ...