Mason Fire, California
The Mason Fire was a wildfire in California, United States. The last recorded size was approximately less than 1 acre under a Uncontained classification.
Activity & map
Timeline, Map & Situation
Timeline
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Status: Uncontained
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Fire discovery / ignition reported
Map
37.8062, -122.4291
Current Situation
The Mason Fire was a wildfire in California, United States. The last recorded size was approximately less than 1 acre under a Uncontained classification.
Data for this incident was last refreshed 6 days ago.
Nearby communities include Chinatown (2.1 km SE), San Francisco (3.6 km S), Mission District (5.2 km S), Noe Valley (6.2 km S).
Smoke layers do not currently show a clear plume at the fire site. Several additional active wildfires are located within 107 km.
Growth Trend
Growth history is still collecting. Points are saved when agency size or status changes.
Environment
Current Conditions
Current Conditions
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Smoke
Layer analysis: Regional PM2.5 forecast haze is active on the live map; point density at this fire is not classified from plume polygons.
Open live smoke layer →Context
Nearby & Resources
Nearby Fires
View on MapRoad Closures
No full road closures reported within about 25 mi right now.
Nearby Communities
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Chinatown
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San Francisco
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Mission District
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Noe Valley
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Tiburon
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Sausalito
Largest Fires in California
Community
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Insight
Why This Fire Matters
- Located within 16 mi of nearby communities (closest: Chinatown at 1.3 mi).
- Fire has remained active for 46 days.
Technical Incident Details
| Fire Name | Mason |
|---|---|
| Agency Fire ID | 2026-CAGNP-000013 |
| Country | United States |
| Province / State | California |
| Location | San Francisco |
| Latitude | 37.80621 |
| Longitude | -122.42913 |
| Last Updated | Jul 23, 2026, 8:56 PM PDT |
| Current Status | Uncontained |
| Tracking | Archive — no longer in live feed |
| Acres Burned | less than 1 acre |
| Containment % | — |
| Cause | — |
| Nearby towns | Chinatown (1.3 mi SE), San Francisco (2.2 mi S), Mission District (3.2 mi S), Noe Valley (3.9 mi S), Tiburon (4.9 mi N), Sausalito (4.8 mi NW) |
| Discovery Date | Jun 14, 2026, 12:46 AM PDT |
| Fire Type | OC |
| Data Source | nifc-wfigs |
Questions
Frequently asked questions
What is the current size of this fire?
The last recorded size of the Mason Fire was approximately less than 1 acre.
Where is this fire located?
The Mason Fire is located in California, United States at approximately 37.8062, -122.4291. Nearby towns include Chinatown (2.1 km SE), San Francisco (3.6 km S), Mission District (5.2 km S), Noe Valley (6.2 km S).
Is this fire contained?
Agencies classify this fire as Uncontained. A numeric containment percentage is not available in the current feed.
When was it discovered?
Discovery (or first listed date) is recorded as 2026-06-14.
Is smoke affecting nearby communities?
No smoke plume is currently mapped near this fire in the smoke analysis layer.
What towns are near this fire?
Nearby settlements include Chinatown (1.3 mi SE), San Francisco (2.2 mi S), Mission District (3.2 mi S), Noe Valley (3.9 mi S), Tiburon (4.9 mi N), Sausalito (4.8 mi NW).
How many nearby fires are active?
There are 8 other active wildfires nearby.
What are current weather conditions?
Weather observations are unavailable for this location right now.
Is this fire still actively tracked?
This fire is no longer in the live active feed (last update 6 days ago).