The Oregon Department of Environmental Quality has issued an air quality advisory for the greater Portland region through ...

The Bay Area Air District has issued an air quality advisory in the region for Tuesday because of smoke from a wildfire in ...

Ozone pollution in Portland, Gresham and other cities could reach unhealthy levels for sensitive groups Tuesday afternoon.

An air quality advisory has been issued in the Bay Area for Tuesday due to wildfire smoke drifting in from the Gifford Fire ...

Here's why the Canadian wildfire smoke is returning to the state and what to know about the latest air quality advisory.

The Air Quality Advisory issued by the Department of Environmental Protection is not the result of wildfire smoke, as it was ...

An air quality advisory has been issued for the Bay Area amid concerns about wildfire smoke drifting into the region.

Bay Area residents may see hazy skies and smell smoke, but the air district does not expect pollutant levels to exceed ...

Syracuse, N.Y. ― The state Department of Environmental Conservation has included Central New York in an updated air quality ...

Smoke from the Gifford Fire in Santa Barbara County has drifted east in the Victor Valley and High Desert region, prompting ...

The Gifford Fire has burned over 120,000 acres in Los Padres National Forest since Aug. 1, earning it a “mega fire” designation. About 4,000 firefighters are tackling the blaze, which has been moving ...