Denver fires today: fire map, smoke & air quality
Active wildfires within 100 miles of Denver, the air quality and wind right now, fire-weather alerts — and how often fires burn near Denver.
Air quality and wind in Denver
Fire weather alerts for Denver
Wildfire history near Denver
Wildfires within 50 miles, by year
Fires of 10+ acres whose origin was within 50 miles of Denver. 2026 is still in progress.
When fires start near Denver
Peak months: March, April, July — 42% of fires in the last 10 years started in these three months.
0 days in the last 12 months had modeled daily PM2.5 above 35.4 µg/m³ — the level where air becomes unhealthy for sensitive groups. Smoke can come from fires hundreds of miles away, so smoke days and nearby fires don't always line up.
Fire history: NIFC WFIGS incident records 2016–2026. Smoke: Open-Meteo CAMS air-quality model, 2025-09-29 to 2026-09-28. Updated 2026-09-29.
Largest wildfires near Denver since 2015
| Fire | Acres | Year | County | From Denver |
|---|---|---|---|---|
| Calwood | 10,106 | 2020 | Boulder, CO | 35 mi |
| Alexander Mountain | 9,668 | 2024 | Larimer, CO | 50 mi |
| Marshall | 6,026 | 2021 | Boulder, CO | 20 mi |
| Sunday Fire | 2,000 | 2020 | Weld, CO | 35 mi |
| Stone Mtn | 1,557 | 2024 | Boulder, CO | 36 mi |
| Quail Hollow | 1,152 | 2024 | Arapahoe, CO | 43 mi |
Most recent fires near Denver
| Fire | Acres | Discovered | Distance |
|---|---|---|---|
| Sedona Hills | 12 | 2026-05-11 | 45 mi |
| Bear Creek | 11 | 2026-04-05 | 24 mi |
| Cr 386 | 40 | 2026-03-24 | 46 mi |
| 49 | 368 | 2026-03-21 | 36 mi |
| Dahlberg | 1,084 | 2026-02-24 | 35 mi |
Distances are straight-line from the city center to the fire's point of origin.
Fires and smoke near other cities
Questions
Is there a fire near Denver right now?
The live map at the top of this page shows every active wildfire within 100 miles of Denver from official incident reports, sorted by distance, with acres, containment and the last update time.
How often do wildfires burn near Denver?
From 2016 to 2025, 88 wildfires of 10 acres or more started within 50 miles of Denver — about 9 a year — burning 39,516 acres in total. 42% of them started in March, April and July.
What was the biggest fire near Denver?
The Calwood Fire (2020), 10,106 acres, which started about 35 miles from Denver in Boulder County.
Is the air quality in Denver safe today?
The air-quality panel above shows the current US AQI for Denver and a 72-hour forecast. Above 100 (orange), sensitive groups should limit time outdoors; above 150 (red), everyone should. In the last 12 months Denver had 0 modeled smoke days.
Get fire alerts for Denver
Save Denver in Wildfire Tracker: distance to the nearest active fire, which side of it you're on relative to the wind, air quality — alerts only for fires that are actually active.