Mingus Mountain Burn to Send Smoke Into Valley
People with asthma in Prescott, Sedona and the Verde Valley may notice smoke from a planned multi-day burn starting Tuesday.
Updated on Nov. 2, 2026 in Asthma
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The Arizona Department of Forestry and Fire Management will begin a prescribed pile burn near Mingus Mountain on Tuesday, November 3, 2026, lasting several days weather permitting. Residents of the Verde Valley, Prescott, Prescott Valley and Sedona, and recreation users of the Mingus Mountain area, may see smoke during the burn.
Why it matters
Prescribed burns reduce the buildup of heavy ponderosa pine fuel that can feed larger, more dangerous wildfires, which is why state land managers schedule them in advance. For people with asthma or other respiratory conditions, the practical concern is that smoke can drift into nearby communities and settle in low-lying valleys overnight.
This is an operational forecast from the Arizona Department of Forestry and Fire Management rather than a health study. The burn is expected to last several days, and the agency notes that smoke may only minimally affect nearby communities, though the total smoke amount and duration were not quantified.
The players
Arizona Department of Forestry and Fire Management
The state agency responsible for forest management, wildfire prevention and prescribed burns across Arizona's public and private lands.
The details
A pile burn consolidates cut and piled vegetation, here heavy ponderosa pine material, and burns it under controlled conditions to remove the fuel that would otherwise sustain a wildfire. Because the burn is prescribed, crews can time it for favorable wind and moisture conditions, though smoke from the piles can still rise, drift and settle into nearby valleys, particularly overnight when cooler air pools at lower elevations. Visible plumes are expected to carry for miles from the burn site.
Timeline
Tuesday, November 3, 2026: the prescribed pile burn is scheduled to begin near Mingus Mountain.
Several days after the start, weather permitting: the burn continues and smoke remains visible across the region.
Overnight during the burn period: residual smoke is expected to settle in the Verde Valley.
Health Landscape
Prescribed fire is one of the main tools Arizona land managers use to reduce wildfire fuel, and the smoke it produces is a short-term air-quality trade-off against the larger smoke from uncontrolled wildfires. Planned burns like this one are scheduled to minimize impact, but people with asthma and other chronic lung conditions experience the trade-off most directly.
If you have asthma or another lung condition, consider keeping rescue medication accessible and limiting outdoor exertion in the Verde Valley, Prescott and Sedona areas while smoke is visible, especially overnight. Anyone with symptoms that worsen during smoke events should discuss a personalized plan with their doctor.
The takeaway
Smoke from a scheduled prescribed burn is generally shorter-term than wildfire smoke, but it can still settle in valleys overnight. Check local air-quality information during the burn period and talk with your physician about what to do if your breathing changes.
What happens next
The burn is scheduled to begin Tuesday, November 3, 2026, and continue for several days, weather permitting.
Further reading
For more on how smoke affects breathing, see the Asthma section.
Source note: This article includes information reported by KJZZ.
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