Occurred Oct 20, 2026, 8:00:00 PM UTC

First published Oct 21, 2026, 2:16:15 AM UTC · Last updated Oct 21, 2026, 2:16:15 AM UTC

Medium satellite-observed smoke area centered at 44.180°N, 119.037°W — Near Seneca, OR, United States

NOAA HMS classified a satellite-detected smoke extent near Seneca as medium density, observed from 20:00 to 23:30 UTC on October 20, 2026. The report is not a ground-level air-quality measurement or a health alert.

At a glance

Affected location: Seneca, Oregon

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Why it matters

It records a satellite observation while distinguishing it from ground-level air quality and health-alert information.

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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: 1/10How 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 44.180°N, 119.037°W — Near Seneca, OR, United StatesNOAA/NESDIS Hazard Mapping System (HMS) Usage terms

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Related developments reported in the last 30 days. These are not necessarily ongoing incidents.

Nearby · within 200 km
Heavy satellite-observed smoke area centered at 45.298°N, 118.360°W — Near La Grande, OR, United StatesOct 20, 2026, 8:00 PM UTC
NOAA HMS classified a satellite-observed smoke area near La Grande, Oregon, as heavy density during observations on October 20, 2026. The record describes smoke extent, not a ground-level air-quality reading or health alert.
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Heavy satellite-observed smoke area centered at 44.147°N, 119.081°W — Near Seneca, OR, United StatesOct 20, 2026, 8:00 PM UTC
NOAA HMS classified a satellite-observed smoke area near Seneca, Oregon, as heavy density during observations from October 20, 2026, 20:00–23:30 UTC. The source states this is not a ground-level air-quality measurement or health alert.
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Medium satellite-observed smoke area centered at 45.218°N, 118.451°W — Near La Grande, OR, United StatesOct 20, 2026, 8:00 PM UTC
NOAA HMS classified a satellite-observed smoke area near La Grande, Oregon, as medium density, observed by GOES-East on October 20, 2026. The source notes this is not a ground-level air-quality measurement or health alert.
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Medium satellite-observed smoke area centered at 45.705°N, 119.621°W — Near Ione, OR, United StatesOct 20, 2026, 8:00 PM UTC
NOAA HMS classified a satellite-observed smoke area near Ione, Oregon, as medium density, with observations reported from 2026-10-20 20:00 to 23:30 UTC. The source says this is not a ground-level air-quality measurement or health alert.
Nearby · within 200 km
Heavy satellite-observed smoke area centered at 43.877°N, 118.863°W — Near Burns, OR, United StatesOct 18, 2026, 8:00 PM UTC
NOAA HMS classified a satellite-observed smoke area near Burns, Oregon, as heavy density, observed on October 18, 2026, from 20:00 to 23:30 UTC. The source states this is not a ground-level air-quality measurement or health alert.
Nearby · within 200 km
Heavy satellite-observed smoke area centered at 44.288°N, 118.484°W — Near Prairie City, OR, United StatesOct 18, 2026, 8:00 PM UTC
The source reports a NOAA HMS classification of heavy-density satellite-observed smoke near Prairie City, observed from 20:00 to 23:30 UTC on October 18, 2026. It states this is an observed smoke extent, not a ground-level air-quality measurement or health alert.

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