Fremont fires today: fire map, smoke & air quality
Active wildfires within 100 miles of Fremont, the air quality and wind right now, fire-weather alerts — and how often fires burn near Fremont.
Air quality and wind in Fremont
Fire weather alerts for Fremont
Wildfire history near Fremont
Wildfires within 50 miles, by year
Fires of 10+ acres whose origin was within 50 miles of Fremont. 2026 is still in progress.
When fires start near Fremont
Peak months: June, July, August — 71% of fires in the last 10 years started in these three months.
3 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 42.2 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 Fremont this year
Largest wildfires near Fremont since 2015
| Fire | Acres | Year | County | From Fremont |
|---|---|---|---|---|
| Scu Lightning Complex | 396,624 | 2020 | Santa Clara, CA | 25 mi |
| Czu Aug Lightning | 86,509 | 2020 | San Mateo, CA | 24 mi |
| Corral | 14,168 | 2024 | San Joaquin, CA | 27 mi |
| Crews | 5,513 | 2020 | Santa Clara, CA | 45 mi |
| 5-1 | 5,000 | 2020 | Stanislaus, CA | 32 mi |
| Loma | 4,474 | 2016 | Santa Clara, CA | 31 mi |
Most recent fires near Fremont
| Fire | Acres | Discovered | Distance |
|---|---|---|---|
| Davis | 10 | 2026-09-17 | 47 mi |
| Bruns | 15 | 2026-09-12 | 23 mi |
| Flynn | 23 | 2026-08-18 | 22 mi |
| Grant | 21 | 2026-08-15 | 23 mi |
| Malech | 28 | 2026-08-08 | 27 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 Fremont right now?
The live map at the top of this page shows every active wildfire within 100 miles of Fremont from official incident reports, sorted by distance, with acres, containment and the last update time.
How often do wildfires burn near Fremont?
From 2016 to 2025, 98 wildfires of 10 acres or more started within 50 miles of Fremont — about 10 a year — burning 528,467 acres in total. 71% of them started in June, July and August.
What was the biggest fire near Fremont?
The Scu Lightning Complex (2020), 396,624 acres, which started about 25 miles from Fremont in Santa Clara County.
Is the air quality in Fremont safe today?
The air-quality panel above shows the current US AQI for Fremont and a 72-hour forecast. Above 100 (orange), sensitive groups should limit time outdoors; above 150 (red), everyone should. In the last 12 months Fremont had 3 modeled smoke days.
Get fire alerts for Fremont
Save Fremont 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.