What is the name and location of the wildfire?

The Line Fire, located in San Bernardino County, Southern California, grew to over 20,000 acres in size as of September 9, 2024 (1). It is burning in the San Bernardino National Forest near Highland.

Extreme heat and dry vegetation helped feed the fire, prompting evacuations in the nearby suburbs of San Bernardino. Additionally, over 36,000 structures are in danger from the fire.

Which cities or areas are affected by the wildfire?

The following communities are most directly impacted by the wildfire:

• Arrowbear Lake
• Big Bear Lake
• Cedar Glen Forest Falls
• Crestline
• Green Valley Lake
• Lake Arrowhead
• Running Springs
• Mountain Home Village
• Valley of Enchantment

Air quality is affected throughout the region by wildfire smoke and an ongoing extreme heatwave. There are air quality alerts throughout the region, with unhealthy air being measured in cities including:

• Hollywood
• Pomona
• Rancho Cucamonga
• Riverside
• San Bernardino
• West Covina

What is the current containment status of the wildfire?

As of the morning of September 9, the Line Fire has burned 20,553 acres and is 3% contained (2). Firefighters are working with over 1,800 personnel deployed to battle the blaze.

Are there any evacuation orders or alerts in place?

Mandatory evacuation orders are in effect for numerous communities, including Running Springs, Arrowbear Lake, Mountain Home Village, and several other areas (3)(4).

Evacuation shelters have been established at the San Bernardino County Fairgrounds and the Jesse Turner Community Center. Evacuation warnings remain in place for communities like Cedar Glen, Lake Arrowhead, and Crestline, with residents advised to be prepared to leave if conditions worsen.

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.