People with chronic lung conditions and diseases should take their symptoms seriously when there are air quality alerts like ...

The air quality warning for the Greater Toronto Area has been lifted after being in place over the long weekend, Environment Canada says.

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

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 ...

Smoke from wildfires in Canada reached Connecticut’s skies and caused poor air quality on Tuesday, according to state ...

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

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

The air quality index on Tuesday across the Midwest and the Northeast ranged from "moderate" to "unhealthy" for sensitive adults. Some areas in northern Wisconsin, eastern Pennsylvania, northern ...

The remaining 10 states affected by medium to heavy smoke from the wildfires are Colorado, New York, New Jersey, Connecticut, Pennsylvania, Vermont, Massachusetts, Indiana, New Hampshire, and ...

Hazy skies descend over the New York City area again on Tuesday, re-upping some air quality alerts related to Canadian ...