Smoke from wildfires in Canada has spread more than 5,000 miles, reaching parts of Russia and Europe during the past week.

Iowans — especially those with heart and lung disease — should avoid long or intense activities and take extra breaks during strenuous activity outdoors in areas where air quality is rated unhealthy.

Thick smoke from Canadian wildfires have settled on Iowa. Now Iowa DNR is issuing a statewide Air Quality Alert until 6 a.m.

Air quality alerts advising people to stay indoors were issued earlier in the week and lasted through part of Wednesday ...

Canada is having another bad wildfire season, and more than 27,000 people in three provinces have been forced to evacuate.

Smoke from Canadian wildfires worsened air quality in the eastern U.S. on Wednesday as several Midwestern states battled ...

Parts of central Pennsylvania are under a code orange air quality alert, but the Midwest is seeing bigger air quality ...

Tomorrow: Mostly sunny. High near 77F. Winds NE at 5 to 15 mph. Tomorrow night: Partly cloudy early with increasing clouds ...

The Iowa DNR on Tuesday issued a statewide Air Quality Alert through 6 a.m. Thursday. The agency warned that the Air Quality Index may reach the red or unhealthy category in affected areas.

The Chicago area is under an air quality alert until due to the Canadian wildfire smoke. Environmental officials said the pollutants from the smoke will be sticking around the area through at least ...