Air quality has taken a serious hit across the United States as a two-fold blow of wildfires in the West and in Canada have ...

Canada is battling more than 700 active wildfires across the country, roughly two-thirds of which are burning out of control, ...

Millions of people across the Upper Midwest and the Northeast are under air quality alerts Monday, as smoke from wildfires in ...

Learn more about wildfires and smoke dangers in these visual stories: Foreign dust-up: Canadian smoke, Saharan dust will cover U.S. together Canadian wildfire smoke is fouling U.S. air quality.

Air quality alerts issued as US starts to see smoke Minnesotans began to feel the impact from the Canadian wildfires on May 29, and authorities across the Midwest have issued air quality alerts ...

If an air quality alert is issued for smoke, it means the air contains a higher-than-normal measured concentration of particulate matter less than 2.5 microns, commonly abbreviated as PM2.5.

Those levels are nearly 40% higher than the state record for wildfire smoke, set in Grand Portage on June 3, 2025. Though concentrations that high are not in the forecast this year, Lueck says you ...

Most of the province remains under air quality statements due to wildfire smoke from northern Ontario and the Prairies.

Smoke from the Madre Fire in San Luis Obispo County is impacting air quality in the High Desert. The Mojave Desert Air Quality Management District issued an air quality advisory from Friday to Sunday.

Columbus' air quality worsened due to Canadian wildfire smoke drifting over the city, turning the air unhealthy for sensitive groups, according to AirNow.gov. The city's air quality index (AQI ...

The Yolo-Solano Air Quality Management District (District) is launching its Fresh Air For All – Home Air Filtration Pilot Program to provide free, high-quality air filtration devices to eligible ...