An air quality advisory has been issued for Mason County as the Bear Gulch Fire continues to burn north of Lake Cushman.

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

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

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

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

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 in the Bay Area for Tuesday due to wildfire smoke drifting in from the Gifford Fire ...

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

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

An air quality health advisory for fine particulate matter will be in effect Monday, Aug. 11, for the lower Hudson Valley, ...

Governor Hochul announced an Air Quality Health Advisory for ozone in the Lower Hudson Valley and New York City Metro regions ...

Los Angeles County issues an unhealthy air quality advisory due to the Canyon Wildfire, affecting areas near the I-5 corridor ...