The smoky haze that settled into Fort Collins and the surrounding area Thursday was from wildfires in Idaho and Wyoming rather than one near Denver.

Parts of the Midwest and Northeast are experiencing poor air quality Monday as smoke from Canadian wildfires drifts into the U.S.

As wildfire smoke becomes a frequent summer hazard across large parts of the US, knowing the risk at the neighborhood scale matters for human health.

Park Fire smoke forecast This live-updating map shows the forecast direction of smoke from the Park Fire, which is burning in Butte and Tehama counties. The map also shows current air quality ...

Parts of the Midwest and Northeast are experiencing poor air quality Monday as smoke from Canadian wildfires drifts into the U.S.