Occurred Oct 18, 2026, 5:00:00 PM UTC

First published Oct 19, 2026, 3:07:15 AM UTC · Last updated Oct 19, 2026, 3:07:15 AM UTC

Medium satellite-observed smoke area centered at 61.732°N, 121.824°W — Near Fort Simpson, NT, Canada

NOAA HMS classified a medium-density smoke extent detected by GOES-East near Fort Simpson, Northwest Territories, during 17:00–20:00 UTC on October 18, 2026. The observation describes satellite-visible smoke, not ground-level air quality or a health alert.

At a glance

Affected location: Near Fort Simpson, Northwest Territories, Canada

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Why it matters

It records the observed smoke extent and density without establishing surface air quality or a 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: 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 61.732°N, 121.824°W — Near Fort Simpson, NT, CanadaNOAA/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
Medium satellite-observed smoke area centered at 61.460°N, 121.362°W — Near Fort Simpson, NT, CanadaOct 18, 2026, 8:00 PM UTC
NOAA HMS classified a satellite-observed smoke area near Fort Simpson, Northwest Territories, as medium density. The source says this is not a ground-level air-quality measurement or health alert.
Nearby · within 200 km
Medium satellite-observed smoke area centered at 61.513°N, 121.385°W — Near Fort Simpson, NT, CanadaOct 18, 2026, 5:00 PM UTC
2 reports describing the same event are grouped here. Expand the group to review every source report.
Nearby · within 200 km
Heavy satellite-observed smoke area centered at 61.522°N, 121.287°W — Near Fort Simpson, NT, CanadaOct 14, 2026, 8:10 PM UTC
NOAA HMS classified a satellite-observed smoke area near Fort Simpson, Northwest Territories, as heavy density, observed from 2026-10-14 20:10 to 23:30 UTC. The source states this is not a ground-level air-quality measurement or health alert.
Nearby · within 200 km
Medium satellite-observed smoke area centered at 61.528°N, 121.296°W — Near Fort Simpson, NT, CanadaOct 14, 2026, 8:10 PM UTC
NOAA HMS classified a satellite-observed smoke area near Fort Simpson as medium density, observed from 2026-10-14T20:10:00Z to 23:30:00Z. The source states this is not a ground-level air-quality measurement or health alert.
Same topic
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.
Same topic
Heavy satellite-observed smoke area centered at 39.530°N, 121.858°W — Near Oroville, CA, United StatesOct 18, 2026, 8:00 PM UTC
NOAA HMS classified the satellite-observed smoke as heavy density during the stated observation window, with a representative centroid near Oroville. The source describes smoke extent, not ground-level air quality or a health alert.

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