Simi Valley fires today: fire map, smoke & air quality
Active wildfires within 100 miles of Simi Valley, the air quality and wind right now, fire-weather alerts — and how often fires burn near Simi Valley.
Air quality and wind in Simi Valley
Fire weather alerts for Simi Valley
Wildfire history near Simi Valley
Wildfires within 50 miles, by year
Fires of 10+ acres whose origin was within 50 miles of Simi Valley. 2026 is still in progress.
When fires start near Simi Valley
Peak months: June, July, August — 55% 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 Simi Valley since 2015
| Fire | Acres | Year | County | From Simi Valley |
|---|---|---|---|---|
| Thomas | 281,893 | 2017 | Ventura, CA | 21 mi |
| Bobcat | 115,997 | 2020 | Los Angeles, CA | 47 mi |
| Woolsey | 96,949 | 2018 | Ventura, CA | 5 mi |
| Sand | 41,383 | 2016 | Los Angeles, CA | 25 mi |
| Lake | 31,089 | 2020 | Los Angeles, CA | 34 mi |
| Palisades | 23,448 | 2025 | Los Angeles, CA | 19 mi |
Most recent fires near Simi Valley
| Fire | Acres | Discovered | Distance |
|---|---|---|---|
| Ridge | 1,134 | 2026-08-07 | 36 mi |
| Buzzard | 902 | 2026-08-05 | 44 mi |
| Lemon | 273 | 2026-06-13 | 42 mi |
| Sandy | 2,183 | 2026-05-18 | 3 mi |
| Crown | 345 | 2026-04-03 | 36 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 Simi Valley right now?
The live map at the top of this page shows every active wildfire within 100 miles of Simi Valley from official incident reports, sorted by distance, with acres, containment and the last update time.
How often do wildfires burn near Simi Valley?
From 2016 to 2025, 131 wildfires of 10 acres or more started within 50 miles of Simi Valley — about 13 a year — burning 787,585 acres in total. 55% of them started in June, July and August.
What was the biggest fire near Simi Valley?
The Thomas Fire (2017), 281,893 acres, which started about 21 miles from Simi Valley in Ventura County.
Is the air quality in Simi Valley safe today?
The air-quality panel above shows the current US AQI for Simi Valley and a 72-hour forecast. Above 100 (orange), sensitive groups should limit time outdoors; above 150 (red), everyone should. In the last 12 months Simi Valley had 0 modeled smoke days.
Get fire alerts for Simi Valley
Save Simi Valley 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.