Air Quality alert is extended through Tuesday. As the wildfire smoke thins tomorrow, ozone at the surface will increase ...

Much of Central Canada, Manitoba and Saskatchewan were placed under special air quality statements or warnings on Monday due ...

Much of Central Canada, Manitoba and Saskatchewan were placed under special air quality statements or warnings on Monday due ...

The Illinois Environmental Protection Agency has issued an Air Pollution Action Day for Tuesday, July 15. Here's what to know ...

Several fires are burning across the Inland Northwest, leaving impacts on Spokane's air quality.

An air quality advisory that was set to last through Monday has been lifted, air district officials said. Over the weekend, ...

Much of Central Canada and Manitoba were placed under special air quality statements or warnings early Monday morning amid smoke from wildfires, as Environment Canada advised residents to limit time ...

Wisconsin, Minnesota and Indiana all have air quality alerts, while Chicago's air quality currently ranks in the "unhealthy for sensitive groups" category.

"Reduce or eliminate activities that contribute to air pollution, such as outdoor burning, and use of residential wood ...

Air quality is unhealthier-than-average for some people Thursday as winds are blowing wildfire smoke across the Northern ...

As the summer's sunny days take hold, many people turn to outdoor exercise. But in parts of North America, pleasant weather ...

One major factor in deciding when and whether to exercise outdoors is your health status. AirNow recommends that people with ...