Smoke from Canadian wildfires is causing air quality concerns for millions of Americans in the Midwest and Northeast.

Concern for poor air quality in the greater Chicago area remains as the Illinois EPA extends its alert until Thursday night.

Smoke from the Gifford Fire was hovering over parts of the county, resulting in sooty air quality and possible ash falling ...

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

States across the U.S. are feeling the impact of the Canadian wildfires as air quality takes a hit from the smoke, according ...

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

The New York State Department of Environmental Conservation issued the alert due to elevated levels of fine particulate ...

Air quality alerts are issued when pollution levels rise to unhealthy levels, warning the public, especially vulnerable ...

Meteorologist Mike Slifer previews the forecast, which includes an expected rise in temperatures early next week. An Air ...

Air quality alerts are in effect on Tuesday in 10 states as toxic smoke from hundreds of wildfires burning in Canada ...

“Smoke plumes can travel quite a bit. They can travel hundreds and thousands of miles, so our air quality right now is being ...

When we have bad air qualities, you can wear n95 mask like this to protect yourself. But health officials say the best way to ...