Wildfires in Canada are sending heavy smoke across the northern U.S., and New Jersey is experiencing some unhealthy air ...

Another air quality alert is in effect Tuesday for NYC, western Long Island, the Hudson Valley, northwest New Jersey and ...

MINNEAPOLIS (FOX 9) - An air quality alert has been issued for all of Minnesota starting Sunday due to wildfire smoke from ...

Smoke from wildfires in Canada has drifted into the U.S., prompting air quality alerts for Americans as it continues to spread. But when officials and forecasters classify a city's air as ...

Smoke from hundreds of wildfires in Canada is lingering over the northern U.S., spreading across to roughly a dozen states ...

Red flag warnings remain in place for parts of Nevada, Utah, Colorado and Wyoming due to very dry conditions, low humidity ...

The Midwest saw some of the worst air quality conditions in the world Thursday, and similar conditions are expected to ...

With hundreds of wildfires burning across Canada, smoke has drifted into the northern United States, lowering air quality ...

As of Wednesday, more than 400 wildfires were burning across Canada, leading to air quality alerts − indicators the air is unsafe to breathe for certain people − across much of the eastern U.S.

(The index climbed higher in Chicago on Wednesday morning to 216, though the air quality was worse in Detroit, where the index hit 306.) In Green Bay, Wis., the index was 175; in Grand Rapids ...

As of 12 a.m. Thursday, the city's air quality index was over 400. White House press secretary Karine Jean-Pierre said President Joe Biden sent more than 600 firefighters and equipment to Canada.

Forecasters predicted around 70 million people would see decreased visibility and poor air quality, including residents of Chicago, Detroit, New York, St. Louis and Cleveland.