For generations, summer in Montana has meant long days outdoors. Children spent afternoons riding bicycles through quiet neighborhoods, swimming in lakes and rivers, hiking forest trails and playing ...

As wildfire smoke plumes travel thousands of miles, sunlight and atmospheric chemistry bleach their color, strip away their campfire aroma and add them to the mix of urban smog. Smoky skies plagued ...

CLEVELAND, Ohio — Northeast Ohio’s air quality surged into the “hazardous” range Thursday afternoon, pushing the wildfire smoke outbreak into the highest category on the federal Air Quality Index and ...

Add Yahoo as a preferred source to see more of our stories on Google. Smoke from wildfires in Canada and Minnesota is expected to arrive in Pittsburgh ahead of July 16. Wildfires were burning in ...

Satellite imagery shows the wide footprint of the smoke across the continent. Credit...NOAA Supported by By Judson Jones Meteorologist and reporter From space, the smoke looks a lot different from the ...

Hot dogs, beach days, and iced tea on the porch are some of the rites of summer. But in an era of global warming, a new rite has emerged: choking down smoke from wildfires burning hundreds of miles or ...