Multiple U.S. states and Canadian provinces are experiencing poor air quality from wildfire smoke. Here's where.

Sensitive groups are advised to stay indoors and limit outdoor activities as pollution and ozone levels spike to unhealthy ...

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The Oregon Department of Environmental Quality issued an air quality advisory for Wednesday for Klamath and Jefferson ...

Canadian wildfire smoke remains in Michigan. On July 16, officials issued an air quality advisory for western counties.

Air quality in the Chicago area has remained poor for three days in a row, the NBC 5 Storm Team reported Wednesday morning.

Wildfire smoke has been blowing into the city since Sunday though residents should should expect some relief by early morning ...

Right now, smoke and air quality concerns are top of mind for many Central Oregonians. It's important to remember to limit ...

A haze of smoke from wildfires burning in Colorado wafted into counties along the Interstate 70 mountain corridor on ...

World Cup being hosted by Canada, Mexico and the United States is less than a year away and FIFA’s protocols for matches ...

Wildfires burning thousands of acres across Colorado are causing hazardous air quality. Gavin Newsom reacts as Trump admin pulls some National Guard troops from LA 13 Things You Should Never Order ...

An air quality alert was issued by the National Weather Service in Milwaukee-Sullivan at 9:26 a.m. on Wednesday, July 16.