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Medium satellite-observed smoke area centered at 39.396°N, 121.949°W — Near Butte City, CA, United States

Reported by NOAA HMS Smoke Detection

NOAA HMS classified a satellite-observed smoke area near Butte City, California, as medium density, observed by GOES-EAST from 17:00 to 20:00 UTC on October 18, 2026. The source says this is smoke extent, not a ground-level air-quality measurement or health alert.

At a glance

  • Affected location: Butte City, California
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Why it matters

The report documents a smoke extent while distinguishing it from an air-quality measurement or health alert.

Location

Highlighted marker: this event.

Generated scores

Scores are based on the cited reporting and use a 1–10 scale. Read the methodology.

Confidence
7/10
Geographic reach
1/10
Global importance
2/10
Impact magnitude
2/10
Positivity
5/10
Urgency
1/10

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