The Canadian wildfire smoke that covered northwest Wisconsin July 24 has moved south and is causing air quality problems in ...

The alert from the state Department of Environmental Conservation, which is in effect from 10 a.m. to midnight, includes the ...

TCEQ, in an air quality message: "Atmospheric conditions are expected to be favorable for producing high levels of ozone pollution in the Houston, Galveston, and surrounding areas on Thursday.

An air quality alert was issued by the National Weather Service in Milwaukee-Sullivan at 1:52 p.m. on Wednesday, July 23.

Wisconsin, Minnesota and Indiana all have air quality alerts, while Chicago's air quality currently ranks in the "unhealthy for sensitive groups" category.

An air quality alert was issued by the National Weather Service in La Crosse at 2:08 p.m. on Thursday, July 24.

Additional plumes of smoke from Canada's active wildfires prompt officials to issue a statewide air quality alert on July 14.

That National Weather Service has issued an air quality advisory for most of Michigan's Upper Peninsula, southern Michigan and southeast Michigan from Friday, May 30, into the morning of Saturday ...

Most of the Lower Peninsula has good to moderate air quality on July 26. Nationally, the northeast has the nation's worst air quality this weekend, although the Great lakes area has large areas of ...

In Cathedral City, California, air quality was measured as "hazardous," which is the worst AQI category. It occurs when AQI hits 301 or higher and can cause health conditions for anyone exposed.

Metro Detroit continues to be under an air quality advisory Saturday, July 5. The Michigan Department of Environment, Great Lakes and Energy declared the advisory for Southeast Michigan, including ...