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Wildfires burning across much of the western U.S. and Canada are causing smoke to stretch across parts of central, eastern and southern Oregon.

The so-called Park Fire had scorched more than 550 square miles in Northern California as of Sunday, contributing to poor air quality in a large swath of the Northwestern U.S. and western Canada.

The U.S. West Coast produces over 90% of America’s wine, but the region is also prone to wildfires — a combustible combination that spelled disaster for the industry in 2020 and one that scientists are scrambling to neutralize.

As living with wildfire smoke becomes an increasingly common experience, experts say more research is needed to understand the longer-term effects of regular exposure.

California wildfires every year emit as much carbon as almost 2 million cars, posing a threat to efforts to battle climate change.

When smoke from severe fires settles over a vineyard, the grapes draw it in. When those grapes are turned into wine, it creates a flavor that is, at best, a little smoky and at worst, tastes like an ashtray.

Much of Southern and Central Oregon are under an air quality advisory that's expected to last until at least Wednesday night.

A lawsuit attempting to block enforcement of Oregon's new worker protections in extreme heat and smoke events has been dismissed by a federal court.

Residents all over the state have felt the impacts of wildfire smoke. A new report from California’s Legislative Analyst’s Office offers suggestions for legislators to respond.

As wildfires have choked skies in the western United States, turning them vivid orange or sickly ochre, millions of people now live where smoke regularly makes breathing unhealthy, according to new estimates from a team based at Stanford University.

There are 17 researchers working on the issue of smoke-exposed wine grapes between University of California-Davis, Oregon State University, and Washington State University.

Even with smoke, you can breathe easier. Scientists at Pacific Northwest National Laboratory have practical tips to keep the air clean inside homes despite the smoke in Northwest skies.