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

Smoke from ongoing wildfires across Canada continued to drift into parts of the United States on Wednesday, causing hazy ...

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

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

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

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

PM2.5 — is expected to push the Air Quality Index over 100, reaching levels unhealthy for sensitive groups, including ...

Canadian wildfires are the cause of an air quality alert that’s in effect for the tri-state area, according to health ...

The air quality in several U.S. states is taking a hit as smoke floats over the border from the Canadian wildfires. Here's what to know.

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

Wildfire smoke drifting over the Washington, D.C., area is making the skies look hazy and negatively affecting air quality.

A statewide air quality advisory remains in place for Aug. 5. Officials say wildfire smoke may dissipate by mid-week. Check out the air quality map.