What is the name and location of the wildfire?
As of June 4, 2026, the Border 6 Fire originated near Tijuana, Mexico, and spread north across the U.S.-Mexico border into Southern California.
The wildfire is burning in the vicinity of Marron Valley, Dulzura, Barrett Junction, and the Tijuana River Drainage area in southeastern San Diego County. The fire is located in rugged terrain with dense, dry vegetation near the international border, making suppression efforts challenging (1).
Which cities or areas are affected by the wildfire?
The cities and areas affected by the Border 6 Fire include:
- Barrett Junction
- Campo
- Cottonwood Creek
- Dulzura
- Jamul
- Marron Valley
- Mine Canyon Truck Trail area
- Tecate
Smoke from the fire continues to affect nearby communities, particularly areas near Tecate and Campo where smoke advisories remain in effect.
What is the current containment status of the wildfire?
As of June 4, 2026, the Border 6 Fire has burned approximately 2,617 acres across the United States and Mexico, including about 1,625 acres in California and approximately 992 acres in Mexico.
Firefighters have achieved 25% containment and continue reinforcing containment lines while conducting mop-up operations on remaining hot spots.
Ground and aerial firefighting resources on both sides of the border remain engaged in suppression efforts as crews make steady progress against the fire (2).
Are there any evacuation orders or alerts in place?
All evacuation warnings and evacuation orders associated with the Border 6 Fire have been lifted as of June 4, 2026.
Earlier warnings affected multiple evacuation zones near Marron Valley Road, Dulzura, Barrett Junction, and surrounding communities.
During the height of the incident, temporary evacuation facilities were established, including a shelter at the Spring Valley Community Center and a temporary evacuation point in Rancho San Diego (3).
While evacuation restrictions have been removed, authorities continue to maintain a smoke advisory for areas near Tecate and Campo due to lingering smoke impacts from the fire (4).
How can I protect myself from wildfire smoke?
Always plan ahead to protect yourself from wildfire smoke.
- Get a free air quality app for real-time air quality alerts and forecasts.
- Shut doors and windows and set the HVAC to recirculate mode.
- Run a high-performance air purifier to filter wildfire smoke.
- Contribute to your community’s outdoor air quality data.
- Stay indoors; if you do need to go outdoors, wear a KN95/FFP2 mask.
As of June 4, 2026, this fire is 25% contained.
