Air quality alerts and advisories have been issued in multiple states as Canadian wildfire smoke continues to spread.

Hundreds of thousands of residents in four states have been advised to remain indoors as air quality alerts continue to ...

To check your state's air quality, visit AirNow's website, and plug in your zip code, city or state. Here's what to know as ...

There are over 170 active wildfires in Canada. These fires have started affecting air quality in several US states, including ...

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

The U.S. Environmental Protection Agency’s AirNow map showed a swath of red for “unhealthy” conditions across Wisconsin.

A red advisory for unhealthy air will continue for southern and eastern Wisconsin until noon Thursday, the Wisconsin ...

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

CHICAGO (WLS) -- The Chicago area is under an air quality alert until Thursday due to the Canadian wildfire smoke until Thursday. The Illinois Environmental Protection Agency declared an "Air ...

New figures released by the U.S. Census Bureau show that 22% of U.S. residents spoke a language other than English at home.

-Detroit's air quality is unhealthy for sensitive groups Wednesday as Canadian wildfire smoke spreads as far as Europe.