Add Yahoo as a preferred source to see more of our stories on Google. There's wildfire smoke from Canada and Minnesota drifting into many areas of the U.S., including Ohio, which is why the air ...

Wildfires in the Pacific Northwest are blanketing the region with smoke. We’re tracking the air quality in your area.

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. The following maps monitor pollutants such as PM2.5 and ozone, offering ...

Wildfires in Canada are sending heavy smoke across the northern U.S., and New Jersey is experiencing some unhealthy air pollution. The air quality has some Northeasterners wondering, what is the AQI, ...

There's wildfire smoke from Canada and Minnesota drifting into many areas of the U.S., including Ohio, which is why the air quality index on July 16 isn't so great. But what is the air quality index?