wildfire smoke

Crews reached 72% containment over the weekend on the 960-acre Bravo Fire burning west of Flagstaff on Camp Navajo.

Not only can smoke cause health risks for residents... it’s a cause of concern for astronomers, too.

The Environmental Protection Agency has awarded a nearly $2 million grant to Arizona State University to bolster community protection from wildfire smoke.

Fire managers with the Coconino National Forest have modified prescribed burn projects this week in order to clear the airshed and keep smoke away from large powerlines.

Fire managers on the Coconino National Forest say they are halting firing operations on two lightning-caused wildfires in advance of forecasted high winds.

Research shows wildfire smoke has a significant impact not just on the respiratory system, but on cardiovascular health as well.

A high school athlete who took the state of Montana to court in a precedent-setting case over climate change says increased wildfire smoke has made it difficult to run races. He is one of 16 young plaintiffs.

Fire officials report the first containment numbers for both the Pipeline and Haywire fires burning near Flagstaff. Most evacuations have been lifted and portions of U.S. Highway 89 have reopened.

Smoke from the Pipeline and Haywire fires is expected to settle heavily in Doney Park and northern Flagstaff tonight, with lighter impacts on outlying areas. KNAU’s Melissa Sevigny reports, residents are advised to minimize outdoor activity to protect their health.

Huge gaps between air quality sensors in the western U.S. have created blind spots in the warning system for wildfire smoke plumes sweeping North America…