As wildfires spread across Canada, air quality in the U.S. continues to be impacted, and people sensitive to air pollution could face "serious health effects," according to a government website that ...

An air quality map revealed that five states in the United States have been issued air quality alerts in red amid smoke from Canadian wildfires and a Saharan dust cloud warning. Wth the start of the ...

Smoke from Canadian wildfires is causing air quality concerns and hazy skies for many Americans in the Midwest and Northeast for another day this week. A map of the current Air Quality Index, the ...

It wasn’t that long ago that few people were monitoring the air—not the government, not its citizens. Today, weather apps provide estimates of outdoor air quality, and the government’s own air quality ...