Occurred Oct 30, 2026, 8:00:00 PM UTC

First published Oct 31, 2026, 2:33:15 AM UTC · Last updated Oct 31, 2026, 2:33:15 AM UTC

Medium satellite-observed smoke area centered at 39.425°N, 121.888°W — Near Butte City, CA, United States

NOAA HMS classified the satellite-observed smoke area as medium density, with GOES-EAST observations from 2026-10-30T20:00:00Z to 23:30:00Z. The source says this is not a ground-level air-quality measurement or health alert.

At a glance

Affected location: Near Butte City, California

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Why it matters

The source documents a medium-density smoke extent but does not report a ground-level air-quality measurement or health alert.

Location

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Generated scores

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

Confidence: 7/10How certain the assessment is based on the clarity and evidence in the cited reporting.
Geographic reach: 2/10How widely the event reaches, from a local area (1) to worldwide impact (10).
Global importance: 2/10The event's broader significance, from limited importance (1) to major global importance (10).
Impact magnitude: 2/10The scale or severity of the real-world impact, from minor (1) to extreme (10).
Urgency: 1/10How time-sensitive the event is, from low urgency (1) to immediate attention needed (10).

Primary official sources

NOAA HMS Smoke Detection Medium satellite-observed smoke area centered at 39.425°N, 121.888°W — Near Butte City, CA, United StatesNOAA/NESDIS Hazard Mapping System (HMS) Usage terms

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