Altadena fires today: fire map, smoke & air quality
Active wildfires within 100 miles of Altadena, the air quality and wind right now, fire-weather alerts — and how often fires burn near Altadena.
Air quality and wind in Altadena
Fire weather alerts for Altadena
Wildfire history near Altadena
Wildfires within 50 miles, by year
Fires of 10+ acres whose origin was within 50 miles of Altadena. 2026 is still in progress.
When fires start near Altadena
Peak months: June, July, August — 54% of fires in the last 10 years started in these three months.
12 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 21, 2025 at 44.3 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 Altadena this year
Largest wildfires near Altadena since 2015
| Fire | Acres | Year | County | From Altadena |
|---|---|---|---|---|
| Bobcat | 115,997 | 2020 | Los Angeles, CA | 11 mi |
| Woolsey | 96,949 | 2018 | Ventura, CA | 33 mi |
| Bridge | 56,030 | 2024 | Los Angeles, CA | 22 mi |
| Sand | 41,383 | 2016 | Los Angeles, CA | 23 mi |
| Blue Cut | 36,274 | 2016 | San Bernardino, CA | 39 mi |
| Lake | 31,089 | 2020 | Los Angeles, CA | 38 mi |
Most recent fires near Altadena
| Fire | Acres | Discovered | Distance |
|---|---|---|---|
| Blake | 10 | 2026-09-01 | 45 mi |
| Mann | 10 | 2026-08-03 | 38 mi |
| Tin | 37 | 2026-07-26 | 44 mi |
| Pine | 20 | 2026-07-16 | 31 mi |
| Summit | 2,690 | 2026-07-10 | 31 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 Altadena right now?
The live map at the top of this page shows every active wildfire within 100 miles of Altadena from official incident reports, sorted by distance, with acres, containment and the last update time.
How often do wildfires burn near Altadena?
From 2016 to 2025, 204 wildfires of 10 acres or more started within 50 miles of Altadena — about 20 a year — burning 651,191 acres in total. 54% of them started in June, July and August.
What was the biggest fire near Altadena?
The Bobcat Fire (2020), 115,997 acres, which started about 11 miles from Altadena in Los Angeles County.
Is the air quality in Altadena safe today?
The air-quality panel above shows the current US AQI for Altadena and a 72-hour forecast. Above 100 (orange), sensitive groups should limit time outdoors; above 150 (red), everyone should. In the last 12 months Altadena had 12 modeled smoke days.
Get fire alerts for Altadena
Save Altadena 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.