First published Oct 21, 2026, 9:23:17 PM UTC · Last updated Oct 21, 2026, 9:23:17 PM UTC

Heavy satellite-observed smoke area centered at 61.612°N, 121.297°W — Near Fort Simpson, NT, Canada

NOAA HMS classified the satellite-observed smoke area near Fort Simpson as heavy density. The observation is not a ground-level air-quality measurement or health alert.

At a glance

Affected location: Near Fort Simpson, Northwest Territories, Canada

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Why it matters

The observation identifies a heavy-density smoke extent but does not establish ground-level air quality or health impacts.

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: 3/10The 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: 2/10How time-sensitive the event is, from low urgency (1) to immediate attention needed (10).

Primary official sources

NOAA HMS Smoke Detection Heavy satellite-observed smoke area centered at 61.612°N, 121.297°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 61.477°N, 122.625°W — Near Fort Simpson, NT, CanadaOct 21, 2026, 5:00 PM UTC
A medium-density smoke area was observed by satellite, centered near Fort Simpson, NT, Canada. The source says this is an observed smoke extent, not a ground-level air-quality measurement or health alert.
Nearby · within 200 km
Medium satellite-observed smoke area centered at 61.670°N, 121.095°W — Near Fort Simpson, NT, CanadaOct 21, 2026, 5:00 PM UTC
NOAA HMS classified a satellite-observed smoke area near Fort Simpson, Northwest Territories, as medium density. GOES-EAST observed it from 17:00 to 20:00 UTC on October 21, 2026.
Nearby · within 200 km
Medium satellite-observed smoke area centered at 61.635°N, 121.127°W — Near Fort Simpson, NT, CanadaOct 21, 2026, 3:00 PM UTC
2 reports describing the same event are grouped here. Expand the group to review every source report.
Nearby · within 200 km
Medium satellite-observed smoke area centered at 61.475°N, 122.658°W — Near Fort Simpson, NT, CanadaOct 21, 2026, 3:00 PM UTC
2 reports describing the same event are grouped here. Expand the group to review every source report.
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 61.732°N, 121.824°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.

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