Most of the air quality alerts pertain to "sensitive groups," including people with heart or lung disease and asthma. However ...

Wildfires burning in Canada were causing unhealthy air quality across parts of North America on Monday. Canadian wildfires ...

An air quality advisory is in effect for New York City on Monday due to wildfire smoke from Canada, according to officials.

The smoke floating over the border shared between America and Canada is now impacting air quality in states as far south as ...

Toronto is among the most polluted cities in the world on Monday morning as the city remains under a special air quality ...

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

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

The smoky air is predicted to reach New York City on Monday, and it could bring unhealthy air quality for sensitive groups.

Canadian wildfire smoke has affected Wisconsin all week, prompting multiple air quality alert extensions from the DNR.

However, Lake, Porter, Newton and Jasper counties in Indiana will be under another air quality alert all day Tuesday. The ...

Smoke from ongoing wildfires in Canada is impacting the air quality in states across the Midwest and Northeast of the U.S.