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Contained

Grade

Lassen, CA ยท Undetermined

This fire is no longer active. It burned 15 acres in Lassen before dropping off the national incident feed.

0%Inactive

15

Acres Burned

1

Days Burning

Sep 24, 2026

Discovered

23h ago

Last Update

Growth

Grew 15 acres in the last day
Sep 24 / 0 acresSep 24 / 15 acres

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Public Lands Nearby

10 public land units within 75 miles

Plumas National Forest

Go

National Forest / CA

28.9 mi

SW

Anaho Island National Wildlife Refuge

Go

Wildlife Refuge / NV

45.9 mi

E

Bucks Lake Wilderness

Go

Wilderness / CA

46.7 mi

W

Caribou Wilderness

Go

Wilderness / CA

51.5 mi

NW

Tahoe National Forest

Go

National Forest / CA

53.3 mi

S

Lassen National Forest

Go

National Forest / CA

56.2 mi

NW

Mt. Rose Wilderness

Go

Wilderness / NV

57.9 mi

S

Lassen Volcanic Wilderness Area

Go

Wilderness / CA

60.2 mi

NW

Lassen Volcanic National Park

Go

National Park / CA

60.9 mi

NW

Granite Chief Wilderness

Go

Wilderness / CA

69.9 mi

S

Situation Updates

Changes read from NIFC interagency perimeter data

GRADE update: 15 acres

Perimeter data
Sep 24

Per interagency perimeter data, the GRADE grew 15 acres to 15.

IRWIN

Timeline

Sep 24Now

1 day since discovery

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Dome

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Chileno

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341 acres

95%

Grade

San Luis Obispo, CA

33 acres

0%

Mill

Fresno, CA

1 acres

0%

Data Sources

Fire data from NIFC Wildland Fire Interagency Geospatial Services (WFIGS) via IRWIN. Satellite hotspots from NASA FIRMS VIIRS. Situation updates are either posted by the incident management team on InciWeb or read by us from WFIGS perimeter data, and each one says which. Air quality data from EPA AirNow. Public lands boundaries from USGS PAD-US 4.0.

IRWIN ID: 1d050101-5850-421c-8d6a-39ea511a327d

Important

More Than Just Parks aggregates third-party data from EPA AirNow, NOAA, NASA FIRMS, and NIFC/WFIGS. Readings can be delayed, estimated, incomplete, or wrong, and conditions on the ground change quickly. This tool is for general information only and is not a substitute for official air quality alerts, fire and evacuation orders, land manager closures, or emergency services. Verify with the managing agency and local authorities before making any travel, health, or safety decision. We make no warranty as to accuracy and accept no liability for decisions made using this information. This is not an emergency or evacuation tool. If you are near a fire, follow official evacuation orders and call 911. Terms of Service.