The National Weather Service has opted to extend an air quality alert in the Chicago area for another day.

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

The Air Quality Index (AQI), a system used to communicate how much pollution is in the air, is expected to reach the red or ...

Smoke from the more than 700 wildfires burning in Canada is continuing to blanket parts of the Midwest for a final day.

Dr. Dorothy Curran says fine particles in wildfire smoke especially affect sensitive groups, like kids with asthma or Chronic Obstructive Pulmonary Disease (COPD).

Wildfire smoke from the Prairies has prompted special air-quality statements and warnings across the country Saturday.

Parts of the GLOW region will be under an air quality alert beginning at midnight tonight due to the effects of smoke from ...

Minnesota is experiencing its longest air quality alert on record — seven days. The alert will remain in effect until noon on ...

Aside from having poor air quality with smoke and haze, we’re set to have a dry weekend across most of Minnesota.

Air quality will deteriorate across 12 states through Saturday, mainly in the Upper Midwest, as wildfire smoke pours into the ...