San Francisco fires today: fire map, smoke & air quality
Active wildfires within 100 miles of San Francisco, the air quality and wind right now, fire-weather alerts — and how often fires burn near San Francisco.
Air quality and wind in San Francisco
Fire weather alerts for San Francisco
Wildfire history near San Francisco
Wildfires within 50 miles, by year
Fires of 10+ acres whose origin was within 50 miles of San Francisco. 2026 is still in progress.
When fires start near San Francisco
Peak months: June, August, October — 67% of fires in the last 10 years started in these three months.
2 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. The worst day was December 15, 2025 at 37.3 µg/m³. 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, 2025-10-01 to 2026-09-30. Updated 2026-10-01.
Major fires near San Francisco this year
Largest wildfires near San Francisco since 2015
| Fire | Acres | Year | County | From San Francisco |
|---|---|---|---|---|
| Central Lnu Complex | 110,720 | 2017 | Sonoma, CA | 48 mi |
| Czu Aug Lightning | 86,509 | 2020 | San Mateo, CA | 37 mi |
| Southern Lnu Complex | 51,624 | 2017 | Napa, CA | 37 mi |
| Central Lnu Complex | 27,500 | 2017 | Sonoma, CA | 48 mi |
| Atlas | 25,000 | 2017 | Napa, CA | 44 mi |
| Woodward | 4,929 | 2020 | Marin, CA | 28 mi |
Most recent fires near San Francisco
| Fire | Acres | Discovered | Distance |
|---|---|---|---|
| Chileno | 341 | 2026-09-20 | 37 mi |
| Bruns | 15 | 2026-09-12 | 42 mi |
| Flynn | 23 | 2026-08-18 | 42 mi |
| Grant | 21 | 2026-08-15 | 43 mi |
| Camino | 11 | 2026-08-04 | 42 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 San Francisco right now?
The live map at the top of this page shows every active wildfire within 100 miles of San Francisco from official incident reports, sorted by distance, with acres, containment and the last update time.
How often do wildfires burn near San Francisco?
From 2016 to 2025, 88 wildfires of 10 acres or more started within 50 miles of San Francisco — about 9 a year — burning 321,567 acres in total. 67% of them started in June, August and October.
What was the biggest fire near San Francisco?
The Central Lnu Complex (2017), 110,720 acres, which started about 48 miles from San Francisco in Sonoma County.
Is the air quality in San Francisco safe today?
The air-quality panel above shows the current US AQI for San Francisco and a 72-hour forecast. Above 100 (orange), sensitive groups should limit time outdoors; above 150 (red), everyone should. In the last 12 months San Francisco had 2 modeled smoke days.
Get fire alerts for San Francisco
Save San Francisco 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.