Forecasting wildfire smoke is hard. We review the best tools to help you predict when unhealthful levels of smoke are coming.

Several fires are burning across western Colorado, with some at historic sizes and other causing evacuations of Western Slope ...

Smoke from Canadian wildfires is causing air quality concerns for millions of Americans in the Midwest and Northeast.  Air ...

InciWeb/Courtesy photo A haze of smoke from wildfires burning in Colorado wafted into counties along the Interstate 70 mountain corridor on Wednesday, prompting an air quality health advisory.

A haze of smoke from wildfires burning in Colorado wafted into counties along the Interstate 70 mountain corridor on Wednesday, prompting an air quality health advisory. The smoke is from four ...

While wildfire smoke was worst in the vicinity of the Turner Gulch Fire, areas of northwest Colorado — including towns along the Interstate 70 corridor — experienced moderate air quality impacts ...

NEW YORK CITY − Wildfire smoke wafted from Canada to create unhealthy air quality levels across the Northeast on July 26. Canada’s fires could produce more smoke blowing into the Northeast ...