What is the name and location of the fire?

A fire occurred at the former Marine Corps Air Station Tustin, located at Warner and Armstrong avenues in Tustin, Orange County, California (1).

Though the fire has been knocked down, there are additional health concerns because asbestos from the historic hangar has been detected in the air (2).

South Coast Air Quality Management District (AQMD) tested debris and found that the area tested greater than 1 percent positive for asbestos.

Which cities or areas are affected by the fire?

The immediate area affected by the fire is Tustin, in Orange County, California.

While the smoke was only a concern for the immediate area as of noon, November 11, strong Santa Ana winds could cause asbestos and smoke to drift into other areas.

What is the current containment status of the fire?

The fire started on early Tuesday morning. Firefighters have knocked down the fire.

Are there any evacuation orders or alerts in place?

Authorities issued a Smoke Advisory to warn residents about potential health risks from the smoke and ash in the area (3). Residents are advised to limit outdoor exposure, keep windows closed, and avoid contact with the ash from the fire.

Tustin Unified School District closed all campuses after asbestos was detected at the historic hangar, affecting preschools and daycares. Some parks in Tustin were also closed, and the Veterans' Day Celebration on Saturday, November 11, was canceled.

How can I protect myself from fire smoke?

Always plan ahead to protect yourself from fire 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 fire smoke.
• Contribute to your community’s outdoor air quality data.
• Stay indoors; if you do need to go outdoors, wear a KN95/FFP2 mask.