See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. Several states were experiencing 'unhealthy' levels of air pollution on ...

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 ...

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 ...