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 ...

The sky over Winnipeg was among the smokiest in the country Friday morning, prompting warnings from Environment and Climate ...

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

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

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

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

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

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

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

Air quality alerts were issued in North Jersey Aug. 5 as smoke from Canadian wildfires drifts across the northern United ...

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.